title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Cultural hemisphericity: evidence from cognitive tests. | Cultural differences in appositional abilities were investigated. Items from two gestalt completion tests were modified to examine the effects of stimulus manipulations (e.g., background color, presence of details) on previously observed ethnic differences in performance. Overall, black subjects again scored higher tha... | 437,943 | [
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[Pseudoporphyria cutanea tarda in hemodialysis patients]. | A bullous disease very similar to late onset cutaneous porphyria has been found in approximately 16 percent of the patients on intermittend hemodialysis. The bullae occur during the summer and are situated on exposed areas, particularly hands, head and neck. There is skin fragility and the bullae are transient, giving ... | 437,971 | [
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Sex and age differences in intrathoracic airways mechanics in normal man. | Expiratory pressure-volume curves and maximal expiratory flow-volume curves were obtained in 74 healthy subjects (49 males 25 females) aged between 20 and 64. Maximal expiratory flowstatic recoil (MEFSR) curves were then constructed. Aging was associated with loss of lung recoil and reduction in maximal expiratory flow... | 438,027 | [
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A method for continuous measurement of ammonia in respiratory airways. | A method has been developed that can continuously measure respiratory NH3 with a detection limit of 30 parts per billion by volume (ppbv) at an averaging time of 1 s. The method is based on the chemiluminescent detection of NO, which is produced by oxidizing NH3 at 850 degrees C. A polyethylene sampling probe, incorpor... | 438,033 | [
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Phycomycosis in fifteen dogs and two cats. | Phycomycosis was confirmed by histologic examination of biopsy specimens from 15 dogs and at necropsy in 2 cats. The fungal infections occurred most frequently in young adult dogs (1-3 yr) of the larger breeds. The gastrointestinal tract was the organ most commonly involved. Treatment by surgical excision, amphotericin... | 438,051 | [
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Cystic lymphangioma in a colt. | A 6-month-old Morgan colt was examined because of preputial edema and multiple nodular masses in the left inguinal region. A tentative diagnosis of lymphatic hamartoma was made on the basis of initial biopsy findings. The prognosis for surgical excision was poor due to the progressive expansile growth of the tumor. Sec... | 438,053 | [
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Observations on the mode of termination and parenchymal distribution of the splenic artery with evidence of splenic lobation and segmentation. | The mode of termination of the splenic artery was studied in 25 cadavers. Observation on the parenchymal distribution of the artery in 17 casts revealed avascular planes that divided the spleen into lobes, inside which other avascular planes separated the lobes into segments. | 438,087 | [
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Changes in axonal numbers in developing human trochlear nerve. | Complete axonal counts have been made in the intracranial parts of trochlear nerves from human fetuses of 9.2, 10 and 24 cm crown-rump length. A count was also made in the intraorbital part of the nerve from the 10 cm specimen. Schwann cell nuclei were also counted in typical cross sections, but do not necessarily refl... | 438,093 | [
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The uptake of horseradish peroxidase by damaged autonomic nerves in vitro. | The uptake of horseradish peroxidase by damaged autonomic nerves was studied in vitro. Large amounts of the enzyme penetrated the axons in a diffuse (nonvesicular) form. This occurred within 90 minutes of application of the enzyme. Twenty four hours after application of the enzyme diffuse peroxidase was still present i... | 438,097 | [
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Effects of age on communication skill levels and prevalence of maladaptive behaviors in autistic and mentally retarded children. | This study investigated the effect of age on communication and maladaptive behavior in autistic and mentally retarded children. Forty-seven autistic and 128 mentally retarded children in a special school served as subjects. The cross-sectional method was used to compare junior and senior groups, and ratings on communic... | 438,116 | [
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Location of peptidoglycan lytic enzymes in Bacillus sphaericus. | The level of three peptidoglycan hydrolases was determined in the mother cell compartment and forespores of Bacillus sphaericus. Vegetative and sporulating cells contained in LD-carboxypeptidase active only on the vegetative cell wall peptidoglycan, and we have previously shown that sporulation is accompanied by the p... | 438,128 | [
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Protonmotive force and catecholamine transport in isolated chromaffin granules. | The effect of the transmembrane potential (delta psi) and the proton concentration gradient (delta pH) across the chromaffin granule membrane upon the rate and extent of catecholamine accumulation was studied in isolated bovine chromaffin granules. Freshly isolated chromaffin granules had an intragranular pH of 5.5 as ... | 438,157 | [
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Biohydrogenation of unsaturated fatty acids. Presence of dithionite and an endogenous electron donor in Butyrivibrio fibrisolvens. | Two oxygen-consuming substances were isolated from cell-free extracts of the rumen anaerobe, Butyrivibrio fibrisolvens. The major fraction comprising 97% of the total activity was characterized as a three-component mixture of glucose, maltose, and dithionite. The minor activity fraction contained an electron donor for ... | 438,161 | [
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Dependence of the quantum efficiency for photolysis of carboxyhemoglobin on the degree of ligation. | A combined stopped flow-laser photolysis apparatus was used to measure the quantum efficiency for removal of carbon monoxide bound to human hemoglobin as a function of fractional CO saturation. This flow-flash technique allows the properties of partially liganded hemoglobin molecules, which are sparsely populated under... | 438,175 | [
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Induction of cholera toxin receptors in cultured cells by butyric acid. | Exposure of HeLa cells to sodium butyrate caused an increase in choleragen (cholera toxin) receptors as measured by increased binding of 125I-choleragen to the intact cells. The process was dependent on time and butyrate concentration; maximal increases (over 40-fold) were observed at 48 h and 5 mM sodium butyrate. Oth... | 438,193 | [
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Properties of a soluble polyprenyl phosphate: UDP-D-glucose glucosyltransferase. | A soluble enzyme that catalyzes the transfer of D-glucose from UDP-D-glucose to dolichyl phosphate has been prepared by sonic oscillation of Acanthamoeba castellani cysts. The product of catalysis is dolichyl beta-D-glucosyl phosphate. The enzyme requires a divalent cation, either magnesium or manganese, and the presen... | 438,216 | [
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Crystallographic studies of glutamate dehydrogenase. Preliminary crystal data. | Native and pyridoxal phosphate modified rat liver glutamate dehydrogenase crystals have been obtained and used for a preliminary x-ray crystallographic analysis. The space group is P6222 (P6422) having unit cell dimensions a = b = 101 A, c = 724 A and gamma = 120 A. The unit cell contains 36 subunits (six hexameric mol... | 438,222 | [
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Intra-articular acetabular labrum: a possible etiological factor in certain cases of osteoarthritis of the hip. | In eight patients with so-called idiopathic degenerative arthritis of the hip the acetabular labrum, at surgery, was found to lie in the articulation between the femoral head and the acetabulum. In none of the patients was there a history or roentgenographic evidence of congenital dysplasia or congenital dislocation. N... | 438,237 | [
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Gross and histological abnormalities of the talus in congenital club foot. | Gross and histological abnormalities were demonstrated in a club-foot talus from a boy with multiple congenital anomalies who died when he was nine days old. Both tali were studied, the one from the club foot and the one from the normal foot. The gross anomalies involved the smaller size of the club-foot talus and the ... | 438,239 | [
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Selective suppression of the transcription of ribosomal genes in mouse-human hybrid cells. | Mouse-human hybrid cells that preferentially segregate either mouse or human chromosomes were analyzed for their relative content of mouse and human rRNA genes and for their capacity to transcribe these genes. A distinctive Hind III restriction fragment containing 28S rRNA sequences was used to distinguish between mous... | 438,299 | [
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Excretion-reuptake route of beta-hexosaminidase in normal and I-cell disease cultured fibroblasts. | It has been proposed that in cultured fibroblasts the final packaging of enzymes in lysosomes requires excretion followed by pinocytosis by neighboring cells via a carbohydrate-specific receptor mechanism. It has also been proposed that the abnormally high activity of lysosomal enzymes in the medium of cultured fibrobl... | 438,323 | [
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Binding of immunoglobulin G aggregates and immune complexes in human sera to Staphylococci containing protein A. | Using the Cowan I strain of Staphylococcus aureus, we compared the binding properties of human monomeric immunoglobulin (Ig)G and oligomeric or complexed IgG. Heat-aggregated IgG served as a model for complexed IgG and heat-killed, formalin-fixed S. aureus (StaphA) as a cellular receptor for IgG, in determining the par... | 438,327 | [
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Cyclic hematopoiesis. Effects of endotoxin on colony-forming cells and colony-stimulating activity in grey collie dogs. | Cyclic changes in blood neutrophil counts of grey collie dogs with cyclic hematopoiesis can be eliminated by daily endotoxin injections. Studies were performed to determine the mechanism whereby endotoxin alters this disease. Bone marrow granulocyte-macrophage progenitor cells (colony-forming cells [CFUc]) showed cycli... | 438,337 | [
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Social class, defective hearing, and language. | Linguistic behavior of lower class normal-hearing children is less developed than that of higher class children. This study tests the hypothesis that the same applies to hearing defective (h.d.) children. Ninety-six h.d. children were tested with a linguistic ability test. The h.d. chiren scored lower than the higher c... | 438,361 | [
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Vocal register effects on vowel spectral noise and roughness: findings for adult females. | The effects of vocal register (vocal fry, modal, and falsetto) on the relative roughness and spectral noise level (SNL) of isolated test vowels (/u/ and/ae/) were investigated. Each of the three vocal registers; the obtained samples were magnetically recorded. A panel of 11 listeners independently verified by perceptua... | 438,364 | [
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Sarcoidosis of the central nervous system. | A case of central nervous system sarcoidosis verified by direct biopsy and skin tests and without evidence of any other system involvement is reported. The computed tomography findings are described in detail. | 438,381 | [
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Computed tomography in preoperative diagnosis of conjoined twins. | A case of thoracoomphalopagus twins diagnosed preoperatively by computed tomography is described. | 438,385 | [
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Environmental fate of rice paddy pesticides in a model ecosystem. | The distribution and metabolic fate of several rice paddy pesticides were evaluated in a modified model ecosystem. Among the three BHC isomers, beta-isomer was the most stable and bioconcentrated in all of the organisms. Alpha- and gamma-isomers were moderately persistent and degraded to some extent during the 33 day p... | 438,458 | [
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Determination of disulfoton and permethrin residues in an organic soil and their translocation into lettuce, onion and carrot. | The residues of disulfoton and permethrin in an organic soil and in vegetables grown in soil treated with a granular formulation of the pesticides were determined by gas chromatography. The residues were removed from soil or plant samples by successive extractions with acetone and hexane. Permethrin persisted in the so... | 438,462 | [
0.1173543,
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0.279054,
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0.622842,
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... |
Delayed neuropathy in sheep by the phosphonothioate insecticide cyanofenphos. | Cyanofenphos (surecide)(R), 25% E.C., O-ethyl O-(4-cyanophenyl) phenylphosphonothioate, was orally administered to one year old lambs at sublethal doses of 1 mg, 2 mg and 4 mg active ingredient kg-1 day-1 for time intervals 60, 45 and 30 days respectively. Irreversible paralytic ataxia symptoms of delayed neuropathy ap... | 438,464 | [
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0.05184058,
0.08214075,
0.6493433,
0.0610109,
0.4121318,
-0.0539459... |
Radioimmunoassay of somatostatin and its application in the study of pancreatic somatostatin secretion in vitro. | A sensitive and specific radioimmunoassay for somatostatin is described. With the use of this system, somatostatin release from incubated rat pancreatic islets and perfused rat pancreases has been studied in vitro. Both arginine and glucose, known modulators of insulin and glucagon secretion, were found to stimulate so... | 438,602 | [
0.1146885,
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0.200398,
0.02384452,
0.07917216,
0.4493751,
0.0171269,
0.08469397,
... |
Interaction of kanamycin and noise exposure. | The amount of hair cell damage in the cochleas of guinea pigs after exposure to different experimental conditions suggests that a 'safe' level of kanamycin has a potentiating effect on damage due to noise. Such an effect lasts more than 20 days after the cessation of the drug administration. | 438,615 | [
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0.1669511,
0.07572754,
0.197610... |
Recurrence of carcinoma of maxillary antrum after 25 years. | A true recurrence of a glandular carcinoma of the antrum was diagnosed 20 years after treatment of the original condition: such an occurrence is rare. Detection of the tumour, however, was delayed as inspection of the original site was not possible during follow-up. Adequate visualization of the tumour area is consider... | 438,621 | [
-0.1388759,
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0.008068659,
0.3664024,
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... |
Mesenchymal chondrosarcomas of the head and neck. | Mesenchymal chondrosarcoma, in both osseous and extra-skeletal forms, has a decided predilection for the head and neck region. The two cases presented in this report affirm this tendency and also illustrate the capricious biologic behavior of the neoplasms as manifested by the 30 additional cases recorded in the litera... | 438,624 | [
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0.3016035,
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0... |
Interactions of cholesterol esters with phospholipids: cholesteryl myristate and dimyristoyl lecithin. | The ternary phase diagram of cholesteryl myristate--dimyristoyl lecithin--water has been determined by polarizing light microscopy, scanning calorimetry, and x-ray diffraction. Hydrated dimyristoyl lecithin forms a lamellar liquid--crystalline phase (L alpha) at temperatures greater than 23 degrees C into which limited... | 438,660 | [
-0.3249511,
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0.2669167,
0.3088911,
0.02566404,
-0.08661025... |
Extraction of small amounts of oxytocin from biological fluids by means of agarose-bound neurophysin. | The use of agarose-bound neurophysin for the extraction of oxytocin from biological fluids is described. Oxytocin can be extracted from plasma, urine and cerebrospinal fluid with a high rate of recovery and samples varying widely in volume and oxytocin concentration can be tested by the method. Columns can be used to e... | 438,695 | [
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0.151934,
0.2460197,
0.11041,
-0.07129932,
-0.203... |
Involvement of prostaglandins in the inhibition of growth hormone production in cultured pituitary cells by insulin. | The effect of insulin was tested on the rate of synthesis and release of growth hormone in cultured rat anterior pituitary cells. Concentrations of insulin between 10(-9) and 10(-7) mol/l (6--600 ng/ml or 0.15--15 mu./ml) inhibited synthesis of growth hormone; 10(-8) mol insulin/l was most effective. The effect was obs... | 438,697 | [
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0.1230778,
0.06763959,
0.1... |
Production of testosterone, 5 alpha-androstane-3 alpha, 17 beta-diol and androsterone by dispersed testicular interstitial cells and whole testes in vitro. | The production of 5 alpha-androstane-3 alpha, 17 beta-diol (androstanediol), androsterone and testosterone by whole rat testes and testicular interstitial cells dispersed with collagenase was studied in vitro. Luteinizing hormone stimulated the production of each of the androgens by cells prepared from 31- to 34-day-ol... | 438,708 | [
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0.3823077,
0.4667121,
0.2907763,
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0.... |
Alterations in adrenal growth and corticosteroid content in foetal and neonatal rats developing at high altitude. | To study the effects of chronic maternal hypoxia on the growth and functional development of foetal and neonatal adrenal glands, Long-Evans rats were acclimatized to high altitude (3800 m) before mating and were maintained at this height throughout gestation. The body growth of the progeny at high altitude was essentia... | 438,709 | [
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0.04796937,
-0.1... |
A sliding microtubule model incorporating axonemal twist and compatible with three-dimensional ciliary bending. | 1. Equations are developed to calculate the relative displacements of the doublet microtubules at the tip of a cilium when the microtubules twist about the axis of the organelle. 2. Displacements measured from electron micrographs show asymmetry (or skew) which can be matched quantitatively by the theoretical model wit... | 438,720 | [
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0.2736458,
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0.08410785,
... |
[Organ preservation by heavy water (D2O). Morphological and biochemical studies on heart and liver (author's transl)]. | The tissue H2O of rabbit heart and rat liver was partially exchanged in situ with D2O. In rat liver, the loss of ATP, resulting from normothermic ischemia, was decreased after perfusion with D2O. The maximal protective effect was found when the proportion of D2O in the water of the liver tissue was 0.20. In both organs... | 438,727 | [
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0.2246795,
0.352391,
0.07388226,
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... |
Arginase and free amino acids in hyperargininemia: leukocyte arginine as a diagnostic parameter for heterozygotes. | Arginase activity and free amino acids were measured in plasma, erythrocytes and leukocytes of patients with hyperargininemia and in controls. There is no arginase activity in the leukocytes and erythrocytes of homozygous patients; in heterozygotes it is normal to low. The activity is 50 to 100 times higher in leukocyt... | 438,730 | [
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0.345984,
0.1195103,
0.0... |
A rapid enzymatic assay for methotrexate in serum. | A kinetic enzymological assay for methotrexate in serum is described; the results are available after 1.5 hours. The lower limit of sensivity is 50 nmol/1; the day-to-day variation coefficients compare favourably with other procedures (about 7% in the 200-600 nmol/1 range). The method uses purified dihydrofolic acid re... | 438,733 | [
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0.05029637,
0.4857875,
0.3337498,
0.1354316,
0.04688435,
-0.0865604... |
An automated microassay for blood ammonia. | A microassay for blood ammonia has been developed. After dilution, blood is dialyzed by a continuous flow procedure, and the ammonium ions in the dialysate are assayed colorimetrically by the hypochlorite-phenol Berthelot reaction. Concentrations from 1 to 400 mumol/l NH+4 can be measured in a 50 mul whole blood sample... | 438,735 | [
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0.02844246,
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0.03380863,
-... |
[Investigations on the utilization of D-gluconate and D-glucono-delta-lactone in the metabolism of the normal and alloxan diabetic rat (author's transl)]. | Radioactivity was measured in the blood of normal and alloxan diabetic rats, after the oral administration of [U-14C]gluconate and [U-14C]glucono-delta-lactone, respectively. Radioactivity was also measured in the intestinal contents and feces 5 h after ingestion of the radioactive materials, It was concluded that the ... | 438,737 | [
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0.0773483,
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0.01649898,
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0.4524255,
0.1832176,
0.05198295,
... |
Inhospital family practice--a one year summary. | A review of 914 medical records of patients hospitalized at the Polyclinic Medical Center of Harrisburg by members of the Department of Family Practice is presented. The age distribution of these patients was essentially bimodal, with peak numbers in the less than one year and greater than 65 years age groups. Physicia... | 438,741 | [
-0.2006512,
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0.1856854,
0.3325942,
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Fluid transport and the dimensions of cells and interspaces of living Necturus gallbladder. | The volume of the cells and lateral intercellular spaces were measured in living Necturus gallbladder epithelium. Under control conditions, the volume of the lateral spaces was 9% of the cell volume. Replacement of mucosal NaCl by sucrose or tetramethylammonium chloride (TMACl) caused intercellular spaces to collapse. ... | 438,773 | [
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0.00143362,
0.3032419,
-0.3088959,
0.266299... |
Frequency of depressive disorder in patients entering home hemodialysis. | Fifty-eight patients were systematically interviewed at the time of their entry into a home hemodialysis training program. The social, demographic, medical, and psychological characteristics of the sample are described. On interview, 13 (22%) of the 58 patients were found to be experiencing rigorously defined depressiv... | 438,789 | [
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0.00172673,
... |
Cerebral hemispheric lateralization of cognitive deficits due to alcoholism. | Twenty chronic alcoholics and a group of matched control subjects were tested on verbal and visuospatial memory tasks in order to test directly the hypothesis that alcoholism disturbs cognitive functions subserved by the right hemisphere more than those subserved by the left hemisphere. The results provide some support... | 438,791 | [
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0.04076626,
0.08866699,... |
Hypochondriasis and paranoia: similar delusional systems in an institutionalized geriatric population. | Hypochondriasis and paranoia are common psychopathologies of aging. The former may be secondary to depression or organic brain syndrome, whereas the latter may be secondary to sensory impairment or organic brain syndrome. Paranoid schizophrenia, with delusions of grandeur, is rare in later life. The authors classified ... | 438,793 | [
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0.2959914,
0.00055287... |
Effect of raising body temperature on visual and somatosensory evoked potentials in patients with multiple sclerosis. | The effects of raising body temperature on the visual (VEP) and somatosensory (SEP) evoked potentials were observed in normal subjects and in patients with multiple sclerosis. The amplitude of the VEP was significantly reduced to the same degree after heating in normal subjects and in patients with multiple sclerosis b... | 438,834 | [
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0.02772371,
-0.1284484,
0.7190939,
0.1200... |
Maturation of human skeletal muscle fibres in explant tissue culture. | Human foetal skeletal muscle was grown in explant cultures and the development of myotubes was monitored morphologically and by the development of membrane potential and acetycholine sensitivity. Migration of uninucleate cells from the explants occurred in the first day of culture and formation of multinucleated myotub... | 438,841 | [
-0.2315562,
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0.4427744,
-0.02835584,
0.06802569,
... |
Effect of tenotomy on self-reinnervated and randomly reinnervated soleus muscle of rat. | The time course and degree of atrophic changes caused by tenotomy were compared in normal, self-reinnervated and randomly reinnervated soleus muscle 6 months after transsection and reunion of the nerve at different distances from the muscle. Comparison was made between the behaviour of Type I and Type II fibers, distin... | 438,843 | [
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0.1641419,
0.5229654,
0.06299446,... |
Glycogen accumulation in the central nervous system in the cerebro-hepato-renal syndrome. Report of a case with ultrastructural studies. | We found marked accumulation of glycogen in the brain in one case of the cerebro-hepato-renal syndrome (CHRS). Glycogen in the form of beta-particles was deposited freely within the nucleus, perikaryon and cell processes of neurons and glial cells. The changes involved the gray matter diffusely but were more prominent ... | 438,858 | [
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0.02330147,
0.042881,
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-0... |
Pineocytoma with astrocytomatous differentiation. | A pineocytoma with astrocytomatous differentiation in a 57-year-old man is reported. The histogenetic and oncogenetic implications of this neoplasm are briefly discussed. | 438,866 | [
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0.09800227,
0.1805696,
0.1257517,
0.07648383,... |
Significance of data collection. Viewpoint - academia. | The academic view of the collection of data relating to the health of workers must reflect a concern for the value of the data for research purposes. Most routine data systems do not provide information of research quality, and often are not appropriate or sufficiently detailed to allow specific hypotheses to be tested... | 438,911 | [
-0.07629557,
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-0.1217417,
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... |
The diagnosis of brain-damage by the MMPI: a comprehensive evaluation. | A number of research studies have proposed various methods for using the MMPI to identify brain dysfunction. This previous research has taken one of three major approaches. The present study compared the major approaches in a population consisting of 30 schizophrenic, 30 brain-damaged and 30 hospitalized normal patient... | 438,935 | [
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Acid dissociation and metal complex formation constants of penicillamine, cysteine, and antiarthritic gold complexes at simulated biological conditions. | Ionization constants for acid functions of D-penicillamine, L-cysteine, thiomalic acid, and thioglucose were measured by pH titration at 37 degrees and 0.15 M ionic strength. Chelate formation constants for these ligands with calcium(II), iron(III), and gold(I) were then determined under the same conditions chosen to a... | 438,961 | [
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0... |
Sensitive GLC assay for pemoline in biological fluids using nitrogen-specific detection. | Extractive alkylation was used to determine intact pemoline in serum and urine. Pemoline was extracted into methylene chloride as an ion-pair with tetrapentylammonium hydroxide under alkaline conditions. Evaporation of the solvent at 70 degrees in the presence of methyl iodide yielded the N,N-dimethylpemoline derivativ... | 438,965 | [
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Microencapsulation of bitolterol for controlled release and its effect on bronchodilator and heart rate activities in dogs. | Spheronized cores produced by extrusion and marumerization were microencapsulated with ethylcellulose by organic phase separation to produce beads exhibiting controlled-release characteristics. In vitro dissolution studies indicated that the drug was released as a first-order model and that the release rates were propo... | 438,974 | [
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Surfactant solutions as test liquids for measurement of critical surface tension. | Contact angles of various liquids and surfactant solutions on polytef and paraffin were measured. Critical surface tension values were obtained by extrapolation of plots of cosine of the contact angles versus corresponding surface tension values. Contact angles measured using polyoxyethylene octylphenols produced linea... | 438,976 | [
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Stability of 10-acetylphenothiazine. | The degradation kinetics of 10-acetylphenothiazine were studied after isolation and identification of its degradation products, phenothiazine, phenothiazine-5-oxide, 3H-phenothiazine-3-one, and 7-(10'-phenothiazinyl)-3H-phenothiazine-3-one. The acetyl group was not present in any degradation product. The degradation ra... | 438,984 | [
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Drug absorption from in situ rat small intestine during metoclopramide administration. | The effect of metoclopramide on the absorption of drugs in solution in the small intestinal lumen of rats in situ was studied. Metoclopramide in doses up to 50 mg/kg sc did not significantly modify the disappearance of isoniazid and quinidine from the small intestinal lumen. At the end of the absorption experiments, qu... | 438,985 | [
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Efferent control of stimulus access to the hamster vomeronasal organ. | Previous workers had identified the vomeronasal organ, on anatomical evidence, as an accessory olfactory organ, present in most terrestrial vertebrates. Lesion experiments had demonstrated its importance in sexual behaviour in the hamster. Howevever, the sequestered position of the vomeronasal receptor epithelium withi... | 439,028 | [
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The occurrence of non-tubal ectopic pregnancies in women with an intrauterine device. | The occurrence of intra-ovarian gestation in 2 women and an abdominal pregnancy in a third, all bearing IUDs, is described. | 439,072 | [
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The effects of vasectomy on testicular metabolism in the guinea-pig. | The effects of vasectomy on testicular DNA production were studied in guinea-pigs at 2 weeks and 2 and 6 months after surgery. By 6 months, vasectomy had resulted in lower testicular weight and absolute DNA, RNA and protein contents, although RNA and DNA concentrations/protein were unchanged. Incorporation of thymidine... | 439,073 | [
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Effect of hypophysectomy on mouse oocyte maturation in vitro. | There was no difference in frequency of maturation of oocytes obtained from mice hypophysectomized for 2 weeks compared to those from sham-operated or untreated (control) animals of the same age. By 7 weeks, and also at 12 and 17 weeks, the incidence of polar body formation in vitro was significantly reduced. The numbe... | 439,076 | [
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Ovarian surface papillomatosis of borderline malignancy. | Bilateral ovarian surface papillomatosis of borderline malignancy is a rare condition. In our case it was associated with benign serous cystadenofibroma. The histologic diagnosis and the clinical aspects are discussed. | 439,088 | [
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Cytotoxicity in progressive systemic sclerosis: no evidence for increased cytotoxicity against fibroblasts of different origin. | Peripheral blood mononuclear cells from 13 patients with progressive systemic sclerosis and 10 normal controls were tested in a cytotoxicity assay against fibroblasts derived from normal adult skin, scleroderma-involved skin and fetal skin. No differences between controls and patients were demonstrated. Sera from patie... | 439,107 | [
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Hospitals and medical schools as factors in the selection of location of practice. | A study analyzing the relationship between the state in which a physician practices and the location of residency training was conducted using as subjects 467 individuals who entered graduate medical training programs at the University of Texas Southwestern Medical School at Dallas. The study population included physic... | 439,122 | [
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Immunobiology of malaria. | Malaria, the number one disease in the world, is caused by intracellular protozoans belonging to the Subphylum, Sporozoa; Suborder, Haemosphoridia; and Family, Plasmodiidae. The four classical organisms producing disease in man are Plasmodium vivax, P. falciparum, P. malariae, and P. ovale. Although malaria has been kn... | 439,167 | [
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Urological injuries associated with pelvic trauma. | We reviewed 100 consecutive cases of pelvic fractures at our hospital to establish the relationship between bone injuries and urological lesions. There were 11 major urological injuries found: 6 patients had bladder laceration, 4 had rupture of the membranous urethra and 1 had a ureteral injury. Emphasis is placed on t... | 439,217 | [
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Hypospadias: a familial study. | The families of 177 boys with varying degrees of hypospadias were evaluated prospectively to determine the occurrence of hypospadias and other congenital anomalies within this population. A significant number of male subjects in each family member category were affected, with first degree relatives (brothers and father... | 439,223 | [
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Renal failure owing to oxalate nephrosis after jejunoileal bypass. | Oxalate nephrosis resulted in progressive renal failure in 4 patients after jejunoileal bypass for morbid obesity. In general, increased levels of oxalates in the blood and urine of such patients result from enhanced absorption of exogenous oxalates. Urinary calculous formation is determined further by concomitant defi... | 439,232 | [
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Renal cell carcinoma in a horseshoe kidney associated with von Hippel-Lindau disease. | The first case of a renal cell carcinoma in a horseshoe kidney associated with von Hippel-Lindau disease is reported. Manifestations of the disease process as well as important points concerning the urological care of these patients are discussed. | 439,269 | [
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Antibiotic control in a municipal hospital. | The choice of an antibiotic for a patient is often a difficult decision. The clinician must contend with a bewildering variety of bacteria and use a number of expensive and toxic antimicrobial agents judiciously. To deal with the problems of excessive and inappropriate use, the medical staff of Coney Island Hospital es... | 439,297 | [
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Satellite streptococci. A major cause of "negative" blood cultures in bacterial endocarditis? | In three of the 20 patients with bacterial endocarditis in our institution since 1975, satellite streptococci were recovered from the blood stream (15%). These organisms do not grow under usual laboratory conditions and may only be demonstrable after fortuitous contamination of the media. Clinicians and microbiologists... | 439,298 | [
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Multiple cardiovascular injuries and motor vehicle accidents. | A patient sustained blunt chest trauma in a motor vehicle accident. Cardiovascular trauma was initially obscured by more obvious orthopedic injuries. Thoracic aortic transection with false aneurysm formation was discovered incidentally during cardiac catheterization for traumatic tricuspid insufficiency. Successful rep... | 439,341 | [
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Human lymphocyte-tumor cell interaction. A scanning electron microscopy study. | Cells from the metastatic chest wall lesions of a patient with adenocarcinoma of the breast were incubated with autologous lymphocytes. Their interactions were observed in the scanning electron microscope. The lymphocytes first surrounded the cancer cells; cancer cells then were destroyed while the lymphocytes in conta... | 439,360 | [
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[Clinical effects of CS-1170 on respiratory tract infections. II: Mainly on the use of 2 g piggy bag alone (author's transl)]. | The following results have been obtained in our trial of CS-1170, in 2 g piggy bag, on the respiratory tract infections: 1) CS-1170 was found to be effective in all the cases treated, including 6 cases in which CS-1170 was used alone. The cases treated with CS-1170 included those cases in which no other antibiotics had... | 439,401 | [
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[Clinical studies on apalcillin treatment for bile duct infections (author's transl)]. | The clinical effects of apalcillin (APPC) treatment for 7 patients with bile duct infections were investigated and the following results were obtained. 1) Clinical effectiveness: Of 7 patients treated with APPC, the results were good in 5 cases, fair in 1 case and poor in 1 case. 2) Absorption and excretion of APPC: On... | 439,408 | [
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Blood levels following intravenous and endotracheal epinephrine administration. | The blood levels of epinephrine and its metabolites which were obtained when the drug was given by both the intravenous (IV) and endotracheal (ET) routes were compared. Anesthetized dogs were subjected to radioactive epinephrine in doses of 0.005, 0.03, 0.06, and 0.09 mg/kg administered both intravenously and endotrach... | 439,542 | [
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-... |
Orientation program for emergency medicine residents. | An orientation curriculum was developed for incoming residents in emergency medicine at the University of Cincinnati (UC) in July, 1976. The major objectives of the orientation were 1) to identify and delineate the subject matter of emergency medicine, and 2) to review the basic elements of emergency medicine. Results... | 439,547 | [
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... |
Clinical assessment of patients undergoing CPR in the emergency department. | A problem frequently encountered in the emergency department is assessing the effectiveness of cardiopulmonary resuscitation (CPR), particularly when it is continued over a period of time. To evaluate the effectiveness of CPR in our emergency department we use a mechanical cardiopulmonary resuscitator (Michigan Instrum... | 439,548 | [
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0.03042982,
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-0.05180933,
-0.01220... |
Incidence, etiology, and outcome of pulseless idioventricular rhythm treated with dexamethasone during advanced CPR. | The cardiac resuscitation records of 458 patients who received advanced cardiac life support at Detroit General Hospital during the last two years were reviewed to identify patients who had pulseless idioventricular rhythm (PIVR) recognized and treated with dexamethasone. Twenty-five cases were identified. The initial ... | 439,556 | [
-0.2611212,
0.0247179,
0.1880221,
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0.3670125,
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0.04806538,
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0.34171,
0.1560956,
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... |
[Measured physical load test and the atrial stimulation test in the differential diagnosis of ischemic heart disease in patients with unchanged coronary angiograms]. | Assessment of the clinical findings and the results of the bicycle ergometry test conducted in 17 patients and the atrial stimulation test performed in 13 patients allowed the diagnosis of ischemic heart disease to be made in 8 of 20 patients with normal coronary arteriogram. It is noted that the combined performance o... | 439,606 | [
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0.1595376,
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0.2539473,
0.4702108,
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0.169468,
... |
[Thrombocyte phospholipids in ischemic heart disease with a varying degree of coronary arteriosclerosis severity]. | A significant increase of the relative phosphatidyl serine level, a decrease in the percentage of lipoleic and arachidonic acids, and an increase in the oleic acid level were revealed in blood platelet phospholipids of patients with ischemic heart disease and severe coronary atherosclerosis. In the entire group of pati... | 439,612 | [
0.03603139,
0.0508325,
0.08913715,
0.09385039,
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0.09311722,
0.2019649,
0.5282299,
0.4331167,
0.3896814,
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... |
[Visual field in the Cushing syndrome (author's transl)]. | According to traditional opinion the basophile adenoma, in contrast to the eosinophile or chromophobe tumours of the hypophyse, practically never causes lesion of the chiasm. However, the case of a 16-year-old girl suffering from adiposis, hypertonia, striae distensae and a "full moon face" is used to demonstrate that ... | 439,703 | [
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0.1414886,
0.01954085,
0.2255389,
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0.2419934,
0.1941927,
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0.09046391,
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0.1829704,
0.2178971,
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0.2836558,
-0.07737403,
-0.07325155,
... |
[Retinitis septica Roth (author's transl)]. | The authors report on a case of retinitis septica Roth in a 27-year-old pregnant woman with septic pyelonephritis caused by enterobacter aerugines. | 439,704 | [
0.005349883,
0.03362691,
-0.1512037,
0.3117012,
0.1039085,
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0.4016965,
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0.1818579,
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0.3655626,
0.1311016,
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0.2520394,
0.07823139,
-0.1123829,
... |
[Influence of anticholinergic drugs on the intraocular tension of medicinally treated glaucoma simplex (author's transl)]. | In 10 patients the influence of pizotifen on the intraocular tension of their medicinally treated open-angle glaucoma was examined. The clinical results and their statistical evaluation showed that anticholinergic drugs behaving pharmacologically like pizotifen do not impair conservative antiglaucomatous local treatmen... | 439,705 | [
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0.191644,
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0.1326648,
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0.09516532,
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0.1733119,
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0.1975066,
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0.3771413,
0.04600866,
0.2101863,
0.2060963,
0.2093728,
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... |
Renal and vascular activity of prolactin preparations. Contamination of prolactin preparations with ADH and implications on renal and vascular prolactin research. | Prolactin, as a "broad spectrum hormone", has been described to exert also vascular and renal actions in laboratory animals and in humans. However, prolactin preparations of various species are contaminated with neurohypophysial hormones (ADH, oxytocin) which possess vascular and renal activities. Antisera against ADH,... | 439,776 | [
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0.1417416,
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0.04687115,
0.1517492,
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0.1347295,
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0.1719898,
0.1363735,
0.1383758,
0.2384154,
0.3481084,
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Influence of somatostatin on carbohydrate absorption in human small intestine. | Oral carbohydrate tolerance tests with xylose, galactose and lactose were performed. After an interval of at least 24 h the same tests were repeated following an i.v. bolus and during infusion of somatostatin. Somatostatin does not influence xylose absorption. However, absorption of galactose and lactose is significant... | 439,779 | [
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0.007489801,
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0.03826124,
0.2134067,
0.2817861,
0.0282366... |
A radio-controlled live trap. | A live trap, designed to drop a net by radio control, was constructed to capture small wild mammals and birds. Advantages of the radio-controlled trap included capabilities to select and trap only the species desired, collect animals immediately after capture, eliminate injuries during capture and operate from a protec... | 439,843 | [
-0.02539251,
0.1476181,
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0.05449212,
0.1451248,
0.06679928,
-0.01588617,
0.007051183,
0.03745... |
Organ weights and organ:body weight ratios of the African white-tailed rat (Mystromys albicaudatus). | Fifty-three adult female and 51 adult male white-tailed rats (Mystromys albicaudatus) were killed with ether and weighed; the spleen, kidneys, liver, heart, lung, pancreas, brain and gonads were dissected free of adhering tissue and weighted. The mean absolute organ weight and organ:body weight ratios by sex and organ ... | 439,848 | [
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0.2647478,
0.3980765,
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-0.08256674,
-0.03481311,
-0.2435... |
A visual display board used for efficient breeding and utilization of an athymic (nude) mouse colony. | A visual display board was designed to aid in the management of a barrier sustained athymic (nude) mouse colony. The board displayed pertinent information for breeding and weaning, including phenotype and age for each animal in the colony. In addition, the board showed the availability and current status of experimenta... | 439,850 | [
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0.04056981,
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0.2965554,
0.3589622,
0.02876907,
... |
Bronchoscopy in the European hamster (Cricetus cricetus). | A pediatric bronchoscope was modified for use in the European hamster (Cricetus cricetus) and has been used successfully to obtain biopsy specimens from these animals. Biopsy specimens were obtained by means of small forceps with visual control given by the modified bronchoscope. | 439,853 | [
0.0008282044,
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0.0699725,
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0.04572565,
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0.3133708,
-0.03981009,
-0.1580... |
Silicate pneumoconiosis of farm workers. | Abnormal numbers of birefringent particles have been found in the lungs of seven patients (five vineyard workers, one farmer, and one rural resident) in association with a spectrum of early to late interstitial inflammation and fibrosis. Nodular granulomas of the type seen in silicosis were absent. Scanning electron mi... | 439,858 | [
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0.4303782,
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... |
Tight junction development between cultured hepatoma cells: possible stages in assembly and enhancement with dexamethasone. | Freeze-fracture and thin-section methods were used to study tight junction formation between confluent H4-II-E hepatoma cells that were plated in monolayer culture in media with and without dexamethasone, a synthetic glucocorticoid. Three presumptive stages in the genesis of tight junctions were suggested by these stud... | 439,893 | [
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0.2123924,
0.1053256,
0.5862498,
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-0.2462127,
... |
Compensatory synapse growth in aged animals after neuronal death. | The capacity of neurons to grow new synapses following partial denervation has been studied in the brain of aged rats and compared to that of younger animals. Lesion induced synapse formation is reduced in aged rats in the hippocampus and septum, two brain areas which show particularly robust growth responses in younge... | 439,948 | [
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0.223517,
0.3030946,
0.1207895,
0.2470797,
0.0040817... |
Multigene families, histocompatibility systems, transformation, meiosis, stem cells, and DNA repair. | Aging is probably not directly traceable to changes along the whole genome, but to a small portion thereof. The main histocompatibility complex appears to be one among the postulated sets of multigene families responsible. The immortality of transformed cells, the germ line, and possibly certain pluripotential stem cel... | 439,951 | [
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0.07023523,
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0.09146899,
0.1694026,
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-0.... |
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