title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Comparison of contrast thresholds of large bars and checks measured by VECPs and psychophysically as a function of defocusing. | The effects of defocusing the image on the contrast threshold were studied both for checkerboard and bar patterns at various low spatial frequencies, and comparison was made between psychophysical results and visually evoked cortical potentials (VECPs) results. VECP threshold was defined as the contrast necessary for o... | 317,230 | [
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Antinuclear antibodies in ankylosing spondylitis, psoriatic arthritis, and psoriasis. | Granulocyte-specific antinuclear antibodies (GS-ANA) were detected in the sera of 5 of 88 patients with ankylosing spondylitis (AS) and in 7 of 52 cases of psoriatic arthritis (PsA), but were not found in 91 patients with malignant or non-malignant chest disease nor in 25 cases of psoriasis. Organ non-specific ANA were... | 317,236 | [
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Haemophilus influenzae tenosynovitis. | A case is reported of polytenosynovitis in a 31-year-old male during the course of a severe bacteraemic illness caused by Haemophilus influenzae type b. The clinical presentation was similar to tenosynovitis caused by bacterial or viral agents. As the management of the H. influenzae tenosynovitis would differ from that... | 317,240 | [
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Comparison of the bile salts of frogs with those of their tadpoles. Bile-salt changes during the metamorphosis of Rana Catesbeiana Shaw. | 1. The bile salts of three frog species of the genus Ptychadena and of Rana catesbeiana have been compared with those of their tadpoles. For R. catesbeiana comparison was made of the bile salts in at least ten of the recognized stages of tadpole metamorphosis. 2. In all cases, adult bile salts were more complex than th... | 317,247 | [
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Circulating antibodies in human echinococcosis before and after surgical treatment. | Antibody levels in 89 patients who had been operated on for hydatid disease were studied over a period of 4 years by complement fixation, latex agglutination, bentonite flocculation, and passive haemagglutination tests. The geometric mean titres were much higher in patients with liver echinococcosis than in those whose... | 317,253 | [
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Evaluation of three imaging instruments in dogs with liver hemotomas: concise communication. | Single-gamma emission computerized tomography (ECT) was compared with transmission computerized tomography (TCT) and scintillation-camera imaging (SC) in eight dogs with acute, solitary hematomas in the left liver lobe. The superior performance of TCT was attributed to its inherently better spatial resolution than thos... | 317,296 | [
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Effect of birthplace on the development of amyotrophic lateral sclerosis and multiple sclerosis. A study among Finnish war evacuees. | After World War II the southeastern part of Finland was ceded to the Soviet Union and its entire population evacuated to other areas of the country. The prevalences of amyotrophic lateral sclerosis (ALS) and multiple sclerosis (MS) were studied among the evacuees and compared to the corresponding data among the nonevac... | 317,413 | [
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Cytometric analysis of small lymphocytes in the bone marrow and lymphatic tissues in neonatally thymectomized and nude mice, with particular reference to differentiation of B-lymphocytes. | In neonatally thymectomized mice and nude mice, small lymphocytes in the bone marrow, Peyer's patches, lymph nodes and spleen were studied qualitatively and quantitatively by electron microscopy. Marrow lymphocytes which are mostly small lymphocytes are classified into dark and light types. The greater proportion of ma... | 317,428 | [
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IgG1 hypergammaglobulinaemia in chronic parasitic infections in mice: evidence that the response reflects chronicity of antigen exposure. | The IgG1 molecules in the sera of IgG1 hypergammaglobulinaemic mice chronically infected with the larval cestode, Mesocestoides corti, are a heterogeneous population. Although antibodies to M. corti are present, the question of whether a minority or majority of the serum IgG1 molecules has anti-parasite reactivity rema... | 317,430 | [
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The possible role of isoantigens in protective immunity to malaria. | The possibility that autoimmune responses to modified red cell antigens might be involved in protective immunity to malaria was investigated in Plasmodium berghei infection of August rats. Animals rendered anaemic by phenylhydrazine treatment at the time of immunization showed significantly greater protection than rats... | 317,438 | [
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Cellular aspects of immunoregulation in malaria. | Malaria infection dramatically induces two nonspecific perturbations in immune responsiveness, polyclonal B cell activation and immunosuppression. Polyclonal activation occurs early in infection and results in secretion of antibodies that lack antiplasmodial specificity. Immunosuppression occurs later in infection and ... | 317,442 | [
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Cytotoxic effect of anti-lymphocytic globulin on human lymphoid cells. | The cytotoxic activity of two anti-lymphocytic globulin (ALG) preparations was investigated by measurement of 51Cr release from human peripheral blood mononuclear cells and tonsil lymphocytes incubated with ALG in the presence of complement. Both types of ALG had a greater complement-dependent cytotoxic effect on tonsi... | 317,530 | [
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Serotypes and biotypes and antibiotic susceptibility of Haemophilus influenzae encountered in a clinical laboratory in Taiwan. | Forty-four serologically and biochemically typable Haemophilus influenzae isolates from clinical specimens in Taiwan were subjected to analysis in their relationship with source of isolation and age distribution. It was found that all isolates from blood and cerebrospinal fluid were serotype b, biotype I, and all were ... | 317,580 | [
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Histochemical localization of T-cells in tissue sections. | Utilizing the acid alpha-naphthyl acetate esterase histochemical staining technique, cells with established T-cell (thymus-derived) staining characteristics could be consistently demonstrated in the periarteriolar lymphatic sheaths of the spleen and the diffusely infiltrated area of the cloacal bursa. The same areas fa... | 317,576 | [
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Afterload reduction by enflurane. | In 12 patients with coronary artery disease, hypertensive period during aortocoronary bypass grafting were treated with enflurane. The effects of enflurane on the general hemodynamic and the major determinants of myocardial oxygen consumption were studied. Heart rate and systolic arterial pressure were significant redu... | 317,625 | [
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[Timolol and acetazolamide in the treatment of increased intraocular pressure (author's transl)]. | Twenty-four patients with open-angle glaucoma were tested to see if, and to what extent, timolol and acetazolamide produced a supplementary reduction of intraocular pressure. Twelve patients were treated with timolol eye drops, 0.5% b.d over a period of one week and then received one dose i.v. acetazolamide 250 mg whic... | 317,629 | [
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[Comparative measurements of the ophthalmic arterial pressure using the Mikuni dynamometer and the Stepanik-arteriotonograph (author's transl)]. | Comparative measurements of the ophthalmic arterial pressure have been performed in 102 eyes using the Mikuni dynamometer and the Stepanik-Arteriotonograph. There was a linear correlation between the results obtained with both methods (P less than 0.001). Ophthalmic arterial blood pressures taken with the Stepanik-Arte... | 317,630 | [
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[Calcium and phosphrous evaluation during cortisone treatment of nephrotic syndrome in relapse]. | Metabolic balances were used to study the intestinal absorption of calcium, magnesium and phosphate in children with steroid sensitive nephrotic syndrome in relapse. Magnesium balance was unaffected by the illness, steroid therapy, or by the addition of vitamin D. In contrast, the absorption of calcium and phosphorus w... | 317,636 | [
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Synthetic antigens: IV. Antigen-binding cells to interpolymer of styrene and maleic acid (PSM) in rats immunized with sheep red blood cells. | The results of studies on the effect of a new synthetic antigens: interpolymer of styrene and maleic acid (PSM) on the immunological response in rats to sheep red blood cells, and vice versa are presented. It was found that in rats, in contrast to mice, PSM did not generate antigen-binding cells for sheep red blood cel... | 317,637 | [
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Isolation of pluripotent hemopoietic stem cells and clonable precursor cells of erythrocytes, granulocytes, macrophages and megakaryocytes from mouse bone marrow. | Murine pluripotent hematopoietic stem cells and precursor cells with restricted commitment to erythrocytes, granulocytes and macrophages as well as megakaryocytes have been purified 30- to 50-fold from mouse bone marrow cells. Purification was achieved by a three-step procedure. Bone marrow cell populations free of ery... | 317,649 | [
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[Diagnosis of lupus erythematosus]. | For the exact classification of lupus erythematosus, morphological criteria alone (clinical picture, histopathology, immunopathology from involved skin, immunoelectron microscopy) are not sufficient. It is the aim of this paper to discuss briefly the known criteria for the diagnosis of systemic lupus erythematosus with... | 317,653 | [
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[Immunocytomas and immunoblastic lymphomas of the skin]. | Evaluation and classification of malignant lymphomas have changed decisevely in recent years. It was especially through immunology that these new discoveries were made. Some namely the immunocytoma and immunoblastic lymphoma. These lymphoma-entities of the non-Hodgkin-group are in the majority of cases neoplastic analo... | 317,655 | [
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Serum prolactin and brain and pituitary monoamine responses to chronic monoamine oxidase inhibition in the rat. | The acute administration of the monoamine oxidase inhibitor iproniazid to rats causes a highly significant suppression of serum prolactin levels at 2 h. At the same time there is a significant rise in the hypothalamic-median eminence concentrations of the biogenic monoamines dopamine, noradrenaline and serotonin. When ... | 317,700 | [
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Mitogenic effects of murine serum and fibroblast growth factor on EGF nonproliferative variants of 3T3. | The enhanced ability of murine serum to support growth of 3T3 cells, when compared with fetal calf serum, is also evident on variants of 3T3 cells lacking the ability to bind epidermal growth factor (EGF). Variant 3T3 cell lines unable to bind EGF also retain a mitogenic response to fibroblast growth factor. | 317,717 | [
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On the deletion 4p16 Wolf-Hirschhorn syndrome. | Two girls (aged 46 and 5 months) and one boy aged 5 months) were studied and found to have the Wolf-Hirschhorn syndrome. Chromosomal complement in all three cases implicated the deletion of the 4p16 band ; in two of them an extra segment of autosomal material was found to be translocated to 4p. Parents' karyotypes were... | 317,787 | [
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Catheptic carboxypeptidase B as a major component in "T-cell activating factor" of macrophages. | TAF (T-cell activating factor), produced by peritoneal macrophages and assayed by its ability to potentiate DNA synthesis in macrophage-depleted lymph node cells stimulated with Phytochemagglutinin-concanavalin A, was shown to contain catheptic carboxypeptidase B (CPB) which accounted almost quantitatively for its pote... | 317,908 | [
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Dominant lethality in frog embryos after paternal treatment with triethylenemelamine: cytogenetics, morphology, and swimming capability. | Male frogs (Rana pipiens) were injected intraperitoneally with triethylenemelamine (TEM). The injected males were held for seven days to permit TEM interaction with sperm. The TEM-treated males were then spermiated with human chorionic gonadotropin (HCG) and the ova of normal females were inseminated with the sperm. Di... | 317,949 | [
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T and B lymphocyte rosettes in tonsils of atopic and non-atopic children. | This investigation was carried out to determine the immunological function of the human tonsils, especially the role of lymphocytes of atopic and non-atopic children. An E- and EAC-rosette forming technique is introduced, with semiquantitative evaluation of T and B lymphocytes in the peripheral blood of 56 normal subje... | 317,959 | [
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... |
[The "laetitia syndrome" or "surprise delivery" (author's transl)]. | This syndrome is seen essentially in a second or later pregnancy in a woman of modest social background, sometimes delivering prematurely and who is forced to perform certain domestic tasks or to wait for her husband before leaving for the place in which delivery has been planned. This type of untimely delivery may cau... | 317,968 | [
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0.120984,
0.... |
[Active transport of chloride across skin isolated from Rana esculenta]. | The effect of SITS, ouabain and acetazolamide on potential difference (E) and short-circuit current (ccc) across isolated frog skin after Amiloride treatment have been investigated. It has been found that Amiloride (3.5 . 10(-5)M) reverses the E and ccc values. After Amiloride treatment, with the use of SITS (6 . 10(-4... | 317,994 | [
0.1902716,
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0.01565386,
0.3212398,
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[Complications of idiopathic chronic colitis]. | The Authors reviews the acute and chronic complications of chronic idiopathic colitis in a series of 112 cases of his own observation. He discusses perforation, toxic megacolon and massive hemorrhage in terms of their pathogenesis, diagnostic procedures and incidence in the course of ulcerative colorectitis (Crohn's di... | 317,999 | [
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0.1986222,
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0.05697665,
0.2938378,
0.1560073,
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[Sézary syndrome. Clinical, immunological and proliferative kinetics]. | The development of Sézary syndrome was observed in a patient with mycosis fungoides. The Sézary cells in the peripheral blood were identified as a specific T-cell population with helper cell characteristics. Autoradiographic analysis showed that the Sézary cells obtained from skin biopsies proliferated much more rapidl... | 318,012 | [
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0.2835379,
0.6540175,
0.3354474,
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[Pneumocystis carinii pneumonia in chronically immunosuppressed patients. Apropos of 33 cases]. | The availability of drugs that are active against Pneumocystis carinii has renewed interest in and underlined the difficulties of the early diagnosis pneumocystis pneumonia. A retrospective study of 33 cases was undertaken to define the optimal management. It is necessary to take into consideration the high mortality o... | 318,016 | [
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0.07832588,
0.0679673... |
Light diffraction study of single skeletal muscle fibres. | Light diffraction patterns from isolated frog semitendinosus muscle fibers were examined. When transilluminated by laser light, the muscle striations produce a diffraction pattern consisting of a series of lines that are projected as points onto an optical detector by a lens system. Diffraction data may be sequentially... | 318,066 | [
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0.4955715,
0.4123096,
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... |
Stretch and radial compression studies on relaxed skinned muscle fibers of the frog. | The influence of stretch and radial compression on the width of mechanically skinned fibers from the semitendinosus muscle of the frog (R. pipiens) was examined in relaxing solutions with high-power light microscopy. Fibers were skinned under mineral oil. We find that, after correcting for water uptake in the oil, fibe... | 318,072 | [
0.0874656,
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0.1363494,
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Perinatal vitamin D metabolism. IV. Maternal and cord serum 24,25-dihydroxyvitamin D concentrations. | Fetal and maternal compartments differ in factors shown to regulate 24.25 dihydroxyvitamin D [24,25(OH)2D] metabolism [calcium, phosphorus, and parathyroid hormone (PTH)] such that one might predict that maternal serum 24,25(OH)2D levels are decreased and fetal 24,25(OH)2D concentrations are increased. To evaluate this... | 318,093 | [
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0.4081424,
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... |
Clinical patterns of chronic iridocyclitis in children with juvenile rheumatoid arthritis. | In the present study we have reconfirmed an earlier observation of the association of iridocyclitis with limited joint involvement in children with JRA. Children who develop iridocyclitis are predominantly girls whose sera are positive for antinuclear antibodies. Iridocyclitis was found to be asymptomatic at onset. Onl... | 318,121 | [
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0.1896814,
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... |
Alleged inner ear trauma: compensation pending. | The English literature on the incidence of nystagmus in normal subjects and in patients with head and/or neck injuries is reviewed. The authors present a series of 202 patients with alleged vestibular trauma. The incidence of spontaneous and positional nystagmus would seem to be no greater in patients with alleged vest... | 318,142 | [
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0.01399602,
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0.0777878... |
Studies of low molecular weight RNA from cells infected with adenovirus 2. I. The sequences at the 3' end of VA-RNA I. | VA-RNA I is a low molecular weight RNA produced in large amounts in cells infected with adenoviruses. The 3' terminus of this RNA may represent a transcription termination site. We have demonstrated that this RNA occurs in infected cells in several forms which differ in the number of uridylic acid residues at the 3' en... | 318,160 | [
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0.3912979,
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... |
Measurement of intracranial pressure in the unanesthetized rabbit. | A method is described for the measurement of intracranial pressure in the unanesthetized, minimally restrained rabbit utilizing a modified subarachnoid screw system. The pressures are transmitted from within the cranium via a flexible saline filled catheter to a fixed external pressure transducer. An index of the relat... | 318,186 | [
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0.110894,
... |
Procedure for the decerebration of the rat. | A procedure for the decerebration of the rat was devised. The internal and external carotid arteries were ligated under halothane anesthesia. A transection was made at the mid-collicular level of the brain and the transected forebrain was removed. The posterior communicating arteries were occluded by suction and oxidiz... | 318,191 | [
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0.1619285,... |
Micro-injections in the avian embryo: technical notes. | Procedures and instrumentation are described for making micro-injections into early avian embryos. Tools for implementing injection include support probes and micro-cannula adapters, both of which greatly reduce embryonic insult. Using these instruments, viability following certain early embryonic injections has been s... | 318,195 | [
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0.022201... |
Principal neurons of the basilar pons as the source of a recurrent collateral system. | The basilar pontine nuclei in the opossum are composed of two general categories of neurons, intrinsic cells and the principal or projection neurons. Observations from Golgi material indicate that principal neurons whose primary axons project to the cerebellar cortex may also give rise to recurrent branches distributin... | 318,201 | [
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0... |
Galactose utilization by the rat tapeworm, Hymenolepis diminuta. | 1. Hymenolepis diminuta incorporated label from 14C-galactose into glycogen, but the sugar would not support net glycogen synthesis. Glucose stimulated the incorporation of label from 14C-galactose into glycogen, while glycerol did not. 2. During incubations in galactose, large internal pools of galactose and galactose... | 318,229 | [
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0.3758173,
0.3815909,
-0.131534... |
The fetid foot: lower-extremity infections in patients with diabetes mellitus. | Infections of the lower extremities in patients with diabetes mellitus have been attributed to Staphylococcus aureus and other facultatively anaerobic bacteria. However, a review of 30 consecutive diabetics who required surgery for lower-extremity infections revealed that 17 had mixed infections due to both obligate an... | 318,225 | [
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0.02603251,
0.2688229,
... |
Experimental studies of chronic pneumonia of sheep. | Strains of Mycoplasma ovipneumoniae and Pasteurella haemolytica isolated from sheep affected with chronic pneumonia were inoculated by endobronchial route to conventionally-reared and SPF (Specific Pathogen-Free) lambs. Changes resembling those of the naturally-occurring disease were produced in most lambs given the or... | 318,238 | [
-0.1915788,
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0.06216806,
0.2819736,
0.01735891,
-0.04569251,... |
Effect of photoperiod and cold acclimation upon plasma free fatty acid levels in the white rat. | 1. Animals were acclimated at 3 +/- 1 degrees C and at room temperature (22 degrees C) for 3 weeks. 2. At each acclimation temperature animals were maintained under either an 8:16 L:D cycle or a 16:8 L:D cycle. 3. Blood samples were taken before and after exposure to -38 degrees C for 30 min. 4. Free fatty acid levels ... | 318,242 | [
-0.1175674,
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0.3437963,
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0.1... |
Anserine and carnosine in chicks (Gallus gallus) rat pups (Rattus rattus) and ducklings (Anas platyrhynchos): comparative ontogenetic observations. | 1. Muscle and brain from developing chick embryos, as well as from day-old chicks, rats, and ducks were analyzed for the histidine-containing dipeptides, anserine and carnosine. 2. Anserine was found in the brain of all species studied, whereas in muscle, anserine was found only in chicks. 3. At 15 days, the muscle of ... | 318,250 | [
-0.247387,
-0.1256872,
-0.3473891,
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0.5703911,
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0.507623,
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0.2954266,
0.2444068,
0.1666811,
-0.2547619,... |
Temperature acclimation in the Mongolian gerbil (Meriones unguiculatus): biochemical and organ weight changes. | 1. Adult Mongolian gerbils (Meriones unguiculatus) were acclimated to 5 +/- 1, 24 +/- 1 and 34 +/- 1 degrees C for 6-8 weeks. 2. Body weights of temperature acclimated gerbils did not differ significantly from controls. Organ wt/body wt ratios of liver, kidney and heart increased in cold-acclimated and decreased in hea... | 318,267 | [
-0.006514272,
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0.3043654,
-0.2927559,
0.2857769,
-0.22483... |
25-Hydroxycholecalciferol levels in camel, sheep and goat. | 1. The plasma levels of 25-hydroxycholecalciferol were measured in female dromedary camels, female sheep and Sinai desert goats. 2. The camels had levels of 443 +/- 96 ng/ml in summer, and 267 +/- 113 ng/ml in winter. 3. The sheep had levels of 40.7 +/- 9.09 ng/ml in summer and 37.1 +/- 8.82 ng/ml in winter, i.e. rough... | 318,277 | [
-0.1768035,
0.1038856,
-0.0515946,
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0.1958375,
0.1240641,
0.3285525,
-0.2923532,
... |
Protein variation and systematics in Malayan rats of the subgenus Lenothrix (Rodentia: Muridae, genus Rattus Fischer). | 1. Electrophoretic variations of 9 erythrocyte proteins, coded by a separate gene locus each, were analysed in and among the 5 Malayan species of Rattus belonging to the subgenus Lenothrix. 2. The average proportion of loci heterozygous per individual for the taxa analysed is 0.037. 3. The results obtained confirm the ... | 318,285 | [
0.3490454,
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-0.02493983,
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0.07421795,
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0.3735747,
0.1012842,
0.06665362,
0.2716767,
-0.05061787,
... |
A comparative study of ketone body metabolism between the camel (Camelus dromedarius) and the sheep (Ovis aries). | 1. Plasma levels of beta-hydroxybutyrate (BHB), and acetoacetate (AcAc) have been measured in camels (Camelus dromedarius) and sheep (Ovis aries). The activity of beta-hydroxybutyrate dehydrogenase (BHB-deH2) (E.C. 1.1.1.30) was studied in the rumen epithelium and the liver of these animals. 2. Concentrations of plasma... | 318,289 | [
-0.03726724,
0.07436259,
-0.3953193,
-0.07135732,
0.04239198,
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0.03379658,
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0.3372448,
0.0423499,
0.1994642,
0.1127421,
0.6377243,
-0.2955891... |
Metamorphic variations in the hemoglobins of Bombina variegata (L.). | 1. The electrophoretic pattern of the anuran Bombina variegata presents one band only until the end of premetamorphosis. Afterwards three new bands appear which substitute the larval band within 15-18 days of metamorphosis. 2. The gradual change of larval and adult hemoglobin, correlated with the development, has been ... | 318,290 | [
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-0.2365664,
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0.05403948,
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0.1413098,
0.5279855,
-0.0249334,
0.2766647,
0.2814687,
-0.1... |
Patterns of purine nucleotides in fish erythrocytes. | 1. The purine nucleotides were determined in the whole blood of 9 fresh water teleosts and 2 marine selachians. 2. GTP and ATP accounted for 88-99% of the total erythrocytes purines. 3. The ATP/ADP ratio ranged from 11 to 60 in the erythrocytes of the fish examined. 4. GTP is widely distributed in fish erythrocytes but... | 318,296 | [
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0.1278645,
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0.1854536,
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0.2767203,
0.2766817,
0.1730317,
0.3129398,
0.06541263,
-0.1269338,
... |
Subspecific variations in Agkistrodon contortrix venoms. | 1. Commercially available preparations of venoms of three subspecies of copperhead snake (Agkistrodon contortrix) were compared as to toxicity, enzymatic activities, effect on a nerve-muscle preparation and capacity to induce clotting of a fibrinogen solution or plasma. 2. Northern copperhead venom contained apparent n... | 318,301 | [
-0.1780224,
0.07378271,
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0.2063371,
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0.06368212,
0.08339963,
0.3257903,
0.2481839,
0.5008677,
-0.01500972,
0.22... |
Effects of temperature, salinity, and feeding on aminotransferase activity in the liver and white muscle of rainbow trout (Salmo gairdneri Richardson). | 1. The liver-somatic index of rainbow trout is governed by temperature and salinity, and by the interaction of these two factors. 2. The overall liver-alanine aminotransferase activity (in units/100 g body weight) increases slightly with increasing salinity of the surroundings in the case of rainbow trout. 3. The overa... | 318,303 | [
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0.1095456,
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Lipids from nerve tissues of the horseshoe crab, Limulus polyphemus. | 1. The predominant lipids of nerve cords, ganglion and brain from horseshoe crabs were cholesterol (11% of lipid) and phospholipid (81% of lipid). 2. Major phospholipids were phosphatidyl ethanolamine and phosphatidyl choline with lesser amounts of phosphatidyl serine and phosphatidyl inositol and sphingomyelin. 3. The... | 318,315 | [
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0.01857127,
-... |
Serum lipoprotein profiles of young atherosclerosis-susceptible White Carneau and atherosclerosis-resistant Show Racer pigeons. | 1. Newly-hatched atherosclerosis-susceptible White Carneau and atherosclerosis-resistant Show Racer pigeons (Columba livia) had significantly lower (P less than 0.01) alpha/beta serum lipoprotein ratios than 6-week, 3-month, or 6-month old pigeons of the corresponding breed, as determined by densitometric analysis of p... | 318,322 | [
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Translation of Taenia crassiceps mRNA in cell-free heterologous systems. | 1. mRNA isolated from larval Taenia crassiceps directs efficiently the synthesis of proteins in cell-free heterologous systems. 2. Part of the newly synthesized proteins in a reticulocyte system are precipitable by a rabbit antiserum against T. crassiceps proteins. 3. Analysis of the antiserum-protein dissociated compl... | 318,332 | [
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The hemoglobin of the common sting-ray, Dasyatis sabina: structural and functional properties. | 1. The hemoglobin of the sting-ray, Dasyatis sabina, is both polymorphic and heterogeneous; three components predominate. 2. One major component has two kinds of polypeptide chain, of which one, presumably an alpha-chain, has a blocked NH2-terminus and an arginyl COOH-terminus, whereas carboxypeptidases A and B release... | 318,333 | [
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Serological comparison of three strains of Aedes aegypti. | Young adults of three strains of the mosquito, Aedes aegypti, were compared serologically by means of the double-immunodiffusion technique. 1. Strains and sexes were serologically distinguishable. 2. Differences in antigenic composition were evident among the strains and sexes. 3. Degree of intraspecific serological re... | 318,341 | [
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0.04961669,
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Immunological cross-reactions between heterologous hemopexins. | 1. The degree of immunological identity of the hemopexin of 64 mammals and non-mammals is determined by double diffusion in agar and two radioimmunoassays, employing antisera produced with the human or the rabbit protein. 2. Antigenic determinants are shared by the Eutherian mammals but not by the non-Eutherian mammals... | 318,354 | [
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Comparative aspects of adenylic acid deaminase and aspartate-2-oxoglutarate aminotransferase. | 1. The content of adenylic acid deaminase and of aspartate-2-oxoglutarate aminotransferase of skeletal muscle tissue from a variety of animals has been determined. 2. White (fast) muscle contained large amounts of adenylic acid deaminase and red (slow) muscle contained large amounts of aspartate aminotransferase. There... | 318,369 | [
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Comparative biochemistry of mammalian epididymal plasma. | 1. A comparison has been made of the chemical composition of epididymal plasma from the cauda epididymidis of nine mammalian species. 2. Results have shown that epididymal plasma contains low concentrations of inorganic ions and high levels of several unusual organic constituents, among which may be mentioned glycerylp... | 318,382 | [
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Lactate dehydrogenase isozymes in the spermatozoa of the domestic fowl, Gallus domesticus and turkey, Meleagris gallopavo. | 1. Electrophoresis of extracts of turkey spermatozoa for lactate dehydrogenase activity revealed the usual five tissue LDHs (LDH-1 to LDH-5). 2. The presence of LDH-X (the spermatozoan-specific isozyme) was not obvious. 3. Only one band was present on electrophoresis of fowl spermatozoan extracts and it coincided with ... | 318,385 | [
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An isoelectric focusing study of acid phosphohydrolases in liver lysosomes of higher vertebrates. | 1. The multiple forms of acid phosphohydrolases in liver lysosomes of Sus scrofa domesticus and Gallus gallus domesticus were studied by use of isoelectric focusing. 2. Acid phosphatase was resolved into two forms in G. gallus domesticus and three forms in S. scrofa domesticus. Especially, two forms of G. gallus domest... | 318,407 | [
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0.0178596,
0.141861,
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0... |
Hexokinase of Angiostrongylus cantonensis: presence of a glucokinase. | 1. Angiostrongylus cantonensis contains a glucokinase which was isolated by DEAE-cellulose column chromatography. 2. This enzyme has a much higher affinity toward glucose (apparent Km, 0.2 mM) than fructose (apparent Km, 85 mM). Glucose-6-phosphate (10 mM) does not inhibit glucose phosphorylation. 3. Molecular weight o... | 318,415 | [
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-0.2389597,... |
A comparison of the glutathione S-transferases of trout and rat liver. | 1. Cytosol from trout liver, gills and intestinal caeca has substantial glutathione S-transferase activity. 2. Gel-exclusion and ion-exchange chromatography suggest that trout liver has several glutathione S-transferases with different molecular weights and ionic charges. 3. A component capable of binding lithocholic a... | 318,420 | [
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Ketogenesis in vertebrate livers. | 1. The hypothesis is advanced that a gluconeogenic organ such as the liver would evolve to oxidise fatty acids as its source of ATP for gluconeogenesis. It is also argued that such an organ might, in the light of current knowledge, be expected to be ketogenic. The animals investigated were lamprey, rainbow trout, eel, ... | 318,434 | [
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Aspects of purine metabolism in the gill epithelium of rainbow trout, Salmo gairdneri Richardson. | 1. Enzymes interconnecting the adenylate pool were present in high concentration. 2. AMP and adenosine were easily deaminated by the corresponding enzymes whose high levels were detected. 3. Adenylate was hydrolyzed either by deamination to yield IMP which was further dephosphorylated to inosine or by dephosphorylation... | 318,437 | [
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0.2528903,
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Purification and characterization of the myoglobins of Paramecium tetraurelia. | 1. The molecular variants of the myoglobins of Paramecium tetraurelia have been purified as five separate components and designated Mb 1 to Mb 5. 2. The five molecular forms are homogeneous on polyacrylamide gel electrophoresis (PAGE) and isoelectric focusing (IF). 3. The myoglobin species appear to have identical mole... | 318,450 | [
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0.3106627,
0.09262... |
Psychiatric disorders in obstetrics. | The incidence of serious psychiatric illness in 27,376 patients during pregnancy and the puerperium was one in 138 (0.7%). The puerperal-onset group comprised 64 of the 198 cases (32%) and, of these, 22% required admission to a psychiatric institution. Moreover, this group of patients had a recurrence rate of 45% in su... | 318,462 | [
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... |
Inversion of the uterus. Replacement without general anaesthesia. | Three cases of acute inversion of the uterus were managed by immediate manual replacement without general anesthesia. They are recorded to emphasize that recognition and prompt action prevent the onset of serious complications and the problems with reduction usually reported with this condition. | 318,491 | [
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Panel studies of acute health effects of air pollution. II. A methodologic study of linear regression analysis of asthma panel data. | Panel studies relating illness, such as asthma attacks, cardiopulmonary symptoms, and acute respiratory symptoms, to daily air pollution and weather are important in environmental epidemiology. A study of the practical robustness of multiple linear regression procedures, which have been the preferred statistical models... | 318,499 | [
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0.1691329,
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Cadmium concentrations in human liver, blood, and bile: comparison with a metabolic model. | Cadmium concentrations in liver biopsies, blood, and bile were measured by atomic absorption spectrophotometry in 23 patients in connection with routine gallstone operations. On a group basis cadmium in blood was a good indicator of cadmium in liver, and the estimated linear relationship agreed well with calculations f... | 318,516 | [
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Hepatic mixed-function oxidase activity in rainbow trout exposed to several polycyclic aromatic compounds. | The effects of polycyclic aromatic hydrocarbons (PAHs) on microsomal liver enzymes were examined in rainbow trout. Various PAHs (naphthalene through benzo(a)pyrene [B(a)P]) were injected ip to screen for mixed-function oxidase (MFO) activity. Chrysene, B(a)P, and Aroclor 1254 caused MFO induction. When fish were also e... | 318,520 | [
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0.04294107,
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... |
Vitamin D2 in vertebrate evolution. | 1. The affinities of the specific vitamin D plasma transport proteins for 25-hydroxyergocalciferol and 25-hydroxycholecalciferol were studied in sixty three vertebrate species. 2. Fish, reptile, bird and monotreme plasma proteins bound 25-hydroxyergocalciferol considerably less efficiently than 25-hydroxycholecalcifero... | 318,540 | [
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0.2108832,
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Folinic acid: pharmacokinetics and pharmacodynamics. | In this paper I will attempt to focus attention on the uncertainties of folinic acid rescue therapy, as well as what is known. | 318,548 | [
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... |
Laval implant sutdies with Lucilia cuprina. | Semi-field studies, using the larval implant technique, show that sheep may be protected against resistant larvae of Lucilia cuprina by thorough jetting with chlorfenvinphos, diazinon, dichlofenthion and fenthion ethyl, but not bromophos ethyl, for the normal duration of waves of bodystrike in New South Wales. The stan... | 318,562 | [
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0.07466408,
0.0158695... |
Hepatic artery hypertrophy and sinusoidal hypertension in advanced schistosomiasis. | In 5 patients with portal hypertension caused by schistosomiasis, the sinusoidal pressure (wedged hepatic pressure) varied from 20.7 to 35.4 mm Hg. While the catheter was in an occluded position within the hepatic vein and the patients were undergoing splenectomy, the main trunk of the hepatic artery was clamped. The s... | 318,579 | [
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0.0338695... |
Clinical applications of biofeedback: implications for psychiatry. | The authors briefly describe biofeedback techniques such as EMG feedback, temperature feedback, and heart rate feedback, along with reports from the literature about their application to specific problems such as subvocalization while reading, Raynaud's disease, cardiac arrhythmias, and epilepsy. Many clinical applicat... | 318,588 | [
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Radiography of gynecomastia and other disorders of the male breast. | Mammographic features of 22 pathologically proved cases reflecting disorders of the male breast are described. Two patterns of gynecomastia were observed: a dendritic pattern seen in association with breast enlargement for 6 months or more, and a more florid triangular pattern, seen in association with breast enlargeme... | 318,597 | [
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0.215515,
0.3125496,
-0.4877322,
0.3443327,
0.2982896,
-0.16633,
... |
Effect of entry exclusion on mating aggregates and transconjugants. | Mating aggregates during conjugation directed by an F-like R factor in Escherichia coli were measured as the number of Lac+-Lac- sectored colonies present in a mating mixture. There is a high degree of correlation between the concentration of transconjugants produced in a mating mixture and the concentration of mating ... | 318,636 | [
0.09059437,
-0.02375067,
-0.1754264,
0.09649716,
0.1177146,
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0.01907562,
0.08598005,
0.1024136,
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0.1041712,
-0.03505887,
0.2824923,
-0.08368404,
-0.2698121... |
Alteration of effectiveness of antibiotics by anaerobiosis. | In vitro antibiotic susceptibility tests of facultative organisms are routinely performed under aerobic conditions, despite the fact that many infections caused by these organisms occur in anaerobic areas, i.e., intra-abdominal absess. Experiments were performed aerobically and anaerobically to determine the susceptibi... | 318,675 | [
0.07179521,
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0.1290978,
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0.09784944,
0.5942678,
0.14167,
0.2670492,
0.0... |
The effect of the stimulant drugs, dextroamphetamine and methylphenidate, on secretion of growth hormone in hyperactive children. | The stimulant effect of L-dopa (125 to 500 mg) was compared to dextroamphetamine and methylphenidate, 15, and 20 mg, respectively, on growth hormone secretion in 20 hyperactive children. All three stimulants were responsible for peak GH concentration in serum at 60 minutes after drug ingestion; there was no significant... | 318,680 | [
-0.4043004,
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0.2082397,
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-0.251454,
0.2967229,
-0.1800508,
-0.0562018,
0.3175843,
0.008480872,
-0.1295711,
... |
Influence of the heat treatment of human milk on some of its protective constituents. | Human milk was subjected to heat treatments of graded severity and examined for its content of immunoglobulins, lactoferrin, lysozyme, vitamin B12-and folate-binder proteins, and lactoperoxidase. Holder pasteurization (62.5degrees C 30 minutes) reduced the IgA titer by 20%, and destroyed the small content of IgM and mo... | 318,682 | [
-0.03812387,
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0.08669695,
0.2761038,
0.4148313,
0.5459748,
-0.38748... |
Outbreak of meningitis in a newborn intensive care unit caused by a single Escherichia coli K1 serotype. | Three cases of meningitis that occurred during a nine-day period in a newborn intensive care unit were caused by a single E. coli serotype 07:K1:H-. A single organism outbreak was suspected when the three spinal fluid isolates all possessed the same two unusual bacteriologic and biochemical characteristics: nonmotile a... | 318,683 | [
-0.01745109,
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0.2589077,
0.1150362,
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0.1691367,
0.1361491,
0.2238464,
-... |
The pin-amalgam restoration. Part 1. A review. | A review of the literature indicates that the use of pins to support amalgam or cast gold restorations in advanced caries in posterior teeth is a quick and relatively inexpensive method of restoring teeth otherwise doomed to extraction. However, the use of pins demands a careful and skillful dentist who understands the... | 318,695 | [
-0.4370882,
0.309231,
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0.132765,
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0.1653921,
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0.2280973,
0.2499938,
0.001926355,
... |
Urethral pressure profile during the spinal shock stage in man: a preliminary report. | The functional state of the proximal urethra in the spinal shock stage in man is not fully understood. We studied patients with spinal cord injuries during spinal shock and found that the urethral pressure profile had a normal configuration, the peak profile pressure increased with bladder filling and phentolamine (10 ... | 318,708 | [
-0.1774514,
0.1619752,
-0.2134607,
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0.1478457,
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0.01875093,
0.07195856,
-0.1031419,
-0.2263205,
0.2585736,
-0.0197165,
0.244111... |
Current practice of coronary artery bypass surgery. Results of a national survey. | A survey of techniques used in coronary artery bypass graft (CABG) surgery by 400 experienced cardiac surgeons is presented. These surgeons performed 41,000 CABG operations in 1975. A seventy-question survey form was answered by each surgeon on their techniques for cardiopulmonary bypass and myocardial preservation, ch... | 318,720 | [
-0.1501544,
0.2182689,
-0.3503297,
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0.1269529,
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0.09460934,
0.3434359,
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0.0479773,
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0.09187109,
-0.09879683,
0.2609951,
0.5439814,
0.218775,
0.02255354,
... |
Sex preselection. | There have been attempts to select the sex of a child prior to conception in both animals and humans. Centrifugation, microelectrophoresis and density gradient sedimentation have been used to separate X and Y sperm in animals. Only the latter technic has produced a change in sex ratio. In the human, timing of coitus or... | 318,737 | [
0.07707436,
0.1833077,
-0.1782107,
0.0942837,
0.1189417,
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0.1738106,
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0.1184977,
0.1228414,
0.2653037,
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-0.03174179,
-0.02923551,
-0.2136623,
-0.3270517,
0.2587647,
-0.1117792,
-0.3595161,
... |
Reconstruction of the breast after mastectomy. | We have described our techniques for reconstruction of the breast after a simple mastectomy, a modified radical mastectomy, and a radical mastectomy. Inadequate skin cover must be relieved, preferably by transposition of a thoracoepigastric flap. Not only must a mound be created, but also a nipple-areola complex. The a... | 318,745 | [
-0.03952519,
0.2112137,
-0.1270597,
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0.01510077,
-0.3448443,
0.08146026,
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0.04334494,
0.1475323,
0.3288162,
0.04447181,
-0.08725948,
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-0.1926473,
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0.01988261,
-0.2829274,
0.05257581,
-0.2438068,
0.2971368,
0.1725402,
0.03848682,... |
Studies on the pigmentation of skin grafts: the ultrastructure of epidermal melanoxytes. | We carried out ultrastructural studies on the epidermal melanocytes in human skin autografts, before and after transplantation. On comparing the results with those described in our previous paper, the present findings are in accord with those light microscope findings. As we suggested earlier, the degree of pigmentatio... | 318,757 | [
0.08918586,
-0.3840839,
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0.08897226,
-0.3286029,
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0.2987357,
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0.1013549,
0.09765732,
0.147956,
0.195633,
0.5134472,
0.2122131,
-0.01059595,
-0.... |
Cell-mediated immunity and its role in resistance to infection. | The recently acquired knowledge of the importance of cell-mediated immunity in many illnesses and the discovery of a variety of substances that can restore certain cell-mediated immune functions has served to focus the attention of physicians on this area of immunity. It is important for practicing physicians to have a... | 318,786 | [
-0.1854243,
-0.3541135,
-0.01176692,
-0.1318391,
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-0.08985566,
0.2123668,
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0.1492233,
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0.1282639,
0.2091687,
0.1581739,
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-0.2220336,
0.07876752,
-0.2855198,
0.4285566,
0.03432455,
-0.02032296,
-0.2406558... |
Seasonal incidence of some congenital malformations in the central nervous system in Sweden, 1965-1972. | Seasonal trends of some congenital CNS malformations in infants born in Sweden during the years 1965 to 1972 were investigated. The study is based on reports to the Swedish Register of Congenital Malformations, statistics from the National Board of Health, and records from Malmö General Hospital and the Hospital of Lun... | 318,790 | [
0.1377934,
-0.4425046,
-0.1260799,
0.1707276,
-0.2328332,
-0.3491672,
-0.3179906,
-0.4837408,
0.1154545,
0.1279344,
0.2803186,
0.1085274,
0.1716187,
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0.05558063,
0.01530178,
-0.3835086,
-0.07447579,
0.002470437,
-0.01253082,
0.01640022... |
Association of a circulating immunosuppressive polypeptide with operative and accidental trauma. | The serum from 109 traumatized patients was examined for immunosuppressive activity which might explain diminished host immune responsiveness following operative or accidental injury. Twenty-eight fo 31 (90%) severely tralmatized patients, 25 of 60 (42%) moderately traumatized patients, and 0 of 18 minimally traumatize... | 318,822 | [
-0.1221641,
-0.1802309,
-0.1795622,
-0.2279753,
0.006105805,
-0.3828315,
-0.3477758,
0.2163388,
0.1795466,
0.3392403,
0.09631508,
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0.384235,
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0.1609118,
-0.2271827,
-0.1423068,
0.1923728,
0.6754245,
-0.1498178,
0.02730024,
-0.3458784,
... |
Scanning electron microscopic observations on bone. | The maceration technique employed in the preparation of specimens of bone for museum purposes has also been found to be of use in the preparation of fresh specimens for study with the scanning electron microscope. The technique requires less technical supervision, permits a greater underprocessing to overprocessing mar... | 318,826 | [
-0.2207957,
0.09570723,
-0.07320123,
0.1326083,
-0.3150941,
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0.2078745,
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0.08145697,
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0.2548604,
-0.168238,
0.08971709,
0.06023457,
0.2806318,
-0.09953406,
-0.0796077... |
Isolation of ribonucleic acid polymerases I, II, and III from Saccharomyces cerevisiae. | A procedure for the simultaneous purification of RNA polymerases I, II, and III from Saccharomyces cerevisiae is described. High yields of each enzyme activity are obtained, allowing the preparation of approximately 10 mg of polymerase I, 25 mg of polymerase II, and 12 mg of polymerase III from 1.2 kg of cells (wet wei... | 318,851 | [
-0.1152967,
-0.1165069,
-0.1062956,
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0.1252615,
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0.03560071,
0.1316418,
0.2573781,
0.1307055,
0.3759765,
-0.02290428,
-0.2525639,... |
Synthesis of guanosine 5'-diphosphate, 3'-diphosphate in spot mutants of Escherichia coli. | The synthesis of ppGpp in spoT- mutants of Escherichia coli has been invesitgated. In these mutants the first-order rate constant for ppGpp breakdown is low, and pppGpp is barely detectable. It is shown that the rate of pppGpp, and hence ppGpp, synthesis is strongly reduced compared with that observed in spot+ strains.... | 318,860 | [
-0.1842502,
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0.001068724,
0.03438428,
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-0.3353425,
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0.05925068,
0.1627344,
-0.1461654,
0.7012171,
0.1294516,
0.03018477,
... |
Spontaneous regression of pulmonary leiomyomas during pregnancy. | Multiple pulmonary nodular densities simulating metastastic cancer were discovered in a routine chest roentgenogram of a 30-year-old pregnant woman. Lung biopsy revealed nodules composed of smooth muscle and collagenous tissue containing entrapped glandular elements. The lesions were initially interpreted as multiple p... | 318,914 | [
0.02578595,
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0.1491498,
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-0.4110836,
-0.02534453,
-0.01699096,
-0.08648724,
0.2362465,
0.3302922,
-0.114... |
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