title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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[Standardization of anthropometric technics]. | The problem of the unification of anthropometrical examination methods was solved for decades by Rudolf Martin in his standard work. The demands now placed on anthropometric examination techniques by industrial anthropology and legislators can no longer be met by Martin's system, and a demand for clearer and more exact... | 637,523 | [
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A study of relationship between pulmonary tuberculosis and palmar dermatoglyphic traits. | Bilateral inked palmar impressions of 150 male tubercular patients and those of 150 normal controls (males) have been studied comparatively. Patients and controls show deviation from each other with respect to 1. biological concordance-disconcordance in line C and hypothenar patterns, 2. bilateral and left-homolateral ... | 637,524 | [
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[Tetracycline hydrochloride complex formation with collagen]. | The quantitative indices and regularities of tetracycline hydrochloride binding with colelagen in the process of complex formation were studied in vitro. It was found that tetracycline-interacted with collagen. The amount of the antibiotic bound depended on its initial concentration in the mixture and the aggregate sta... | 637,531 | [
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[Increased streptomycin sensitivity and its associations with microbial allergy]. | Regularities of streptomycin hypersensitivity development and its association with microbial allergy were studied on 75 guinea pigs. A model of retarded allergy was obtained by the animal sensitization with streptomycin in doses of 20 000 gamma per 1 kg of the body weight. Two procedures were used for the animal sensit... | 637,533 | [
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Spatial relationship of the genital microflora to the vaginal epithelium of femal rats: transmission electron microscopy. | Bacterial associations with vaginal epithelium were examined by transmission electron microscopy in castrate rats before and after estrogen treatment. Bacteria were associated with keratinized epithelium and appeared to be most abundant on exfoliated vaginal cells. | 637,542 | [
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Distribution of the genus Leptospira in soil and water. | The distribution of the aerobic spirochetes Leptospira in surface waters, soil, and aquatic animals was investigated. Isolates from water and soil exhibited physiological characteristics common to members of the "biflexa complex," none were capable of infecting experimental animals, and leptospires could not be isolate... | 637,546 | [
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Bacterial and spontaneous dehalogenation of organic compounds. | Only 3 of more than 500 soil enrichments contained organisms able to use 1,9-dichlorononane as a sole carbon source. One isolate, a strain of Pseudomonas, grew on the compound and released much of the halogen as chloride. Resting cells dehalogenated 1,9-dichlorononane aerobically but not anaerobically. Pseudomonas sp. ... | 637,547 | [
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The surgical treatment of chronic intestinal ischemia. | The mortality in acute intestinal ischemia is high, and 50% of such patients have previous attacks of abdominal angina due to chronic intestinal ischemia. Vascular reconstruction is remarkably successful in relieving the symptoms of chronic intesintal ischemia and for this reason angiographic examination is recommended... | 637,591 | [
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A new coronary perfusion cannula. | A flexible but rigid-walled nontraumatic cannula has been developed for perfusion of the coronary arteries or visceral branches of the aorta. | 637,604 | [
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Influence of intraventricularly applied apomorphine on somato-vegetative reflexes in cats. | To obtain information about the dopaminergic neurotransmission processes taking part in the somatovegetative reflexes the effects of intraventricularly given apomorphine were studied in lightly anaesthetized cats. The level of blood pressure and the reflexogenic hypertension due to central sciatic nerve stimulation wer... | 637,617 | [
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Effect of 1-alpha-acetylmethadol (LAAM) on various physiological parameters in the conscious dog. | LAAM was administered intravenously to conscious dogs at doses of either 0.1, 0.3 or 1.0 mg/kg. Cardiopulmonary responses were measured prior to drug administration, 0.5 hr post-drug and hourly thereafter. All doses produced a sleep-like state which was dose-related in duration (3-14 hr). Cardiac output, heart rate, re... | 637,619 | [
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Effect of autonomic blocking agents on chronotropic actions of 1-alpha-acetylmethadol. | The objective of this investigation was to determine whether or not autonomic receptors are involved in the chronotropic responses to 1-alpha-acetylmethadol (LAAM) and congeners (1-alpha-acetylnormethadol, norLAAM; 1-alpha-acetyldinormethadol, dinorLAAM). The effects of atropine were studied in vitro using isolated gui... | 637,626 | [
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[Bronchial brushing in severe lung diseases in children]. | A distal bronchial brushing was performed in 25 children having severe lung diseases. The age of the patients ranged from 7 days to 14 years. Seventeen children were immuno-depressed. Bacteria were isolated five times (2 Staphylococcus aureus, 1 Streptococcus pneumoniae, 1 Serratia marcenscens, 1 Acinetobacter lwoffi),... | 637,669 | [
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Diagnosis of occult familial medullary carcinoma of the thyroid using pentagastrin. | Medullary carcinoma of the thyroid is unique in that it can often be diagnosed solely on the basis of abnormally high basal serum thyrocalcitonin levels. Two brothers described in this report were found to have normal basal serum thyrocalcitonin levels when examined after another family member died from metastatic medu... | 637,688 | [
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Complete obstruction of the gastric antrum in children following acid ingestion. | We report on two children who experienced delayed complete obstruction of the gastric antrum following concentrated acid ingestion. Both patients required initial tube gastrostomy and subsequent antrectomy with intestinal reconstruction. Unlike the more common alkaline corrosives, ingested acids tend to spare the esoph... | 637,697 | [
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[Studies on nitrogen and amino-acid absorption in the swine. Part 1. Passage of the chyme in the small intestine]. | Three female pigs of about 50 kg liveweight were provided with re-entrant canulas in the upper and lower sections of the small intestine and were catheterized to collect urine and blood (vena jugularis). After feeding once the experimental diet containing 15N-labelled, fat extracted dry curd as protein component, it wa... | 637,724 | [
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[Thrombosis of the anterior and middle cerebral arteries as the 1st manifestation of systemic lupus erythematosus: report of a case]. | The case of a young female patient with hemiplegia and aphasia of sudden onset as the initial manifestation of systemic lupus erythematosus is reported. The arteriographic study showed occlusion of the proximal portion of the left anterior cerebral artery and of the trifurcation of the left middle cerebral artery. The ... | 637,748 | [
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Safety at disaster sites. | Safety at a disaster scene is a subject rarely considered by medical personnel when preparing for rescue work. As no one can predict accurately the nature of the hazards rescuers may have to face, a common attitude is to ignore the subject and trust to common sense and good judgment to cope with the situation when it a... | 637,771 | [
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"Who cares?" A comment on the Australian general practitioner. | The recent Australian publication "Who cares?" offers the family medicine student and the family physician: Affirmation of the preminence of the GP as the professional of first resort for a wide range of Australian families. A typology of families in terms of the way they relate to health care and its providers. A pict... | 637,778 | [
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Effect of ozone variation on disease in Great Britain: I. Skin cancer. | Ozone levels were rising during the period 1951 to 1972 and resulted in decreased levels of solar ultraviolet radiation reaching sea level. Analysis of the records of skin cancers for Bristol and Oxford in England showed that during the first decade of this period incidence and mortality for the skin carcinomas, basal ... | 637,812 | [
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Effects of infrasound on cognitive performance. | The cognitive performance of 40 subjects was measured during exposure to infrasound and noise in three experiments. In the first experiment, 12 subjects were exposed for 15 min to each of four experimental conditions while performing a Serial Search Task. The conditions were: 65 dB ambient noise (AN), a low-frequency b... | 637,817 | [
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Stress and workload in pilots. | Several studies have highlighted the increase in physiological activity which occurs in pilots during flight and especially during takeoffs and landings. For example, it has been clearly demonstrated that pilots' heart rates increase during the landing approach to reach a peak at or just before touchdown. These changes... | 637,823 | [
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The Burt controversy: a comparison of Burt's data on IQ with data from other studies. | A recent controversy has given reason to examine the place of Burt's data among other behavioral genetic data on IQ. Although Burt's kinship correlations are higher than the average of other studies, his results are generally consistent with other data. | 637,830 | [
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The mechanism of haem catabolism. Bilirubin formation in living rats by [18O]oxygen labelling. | 1. The pathway of haem breakdown in living rats was studied by using 18O in the oxygen that the animals consumed. By cannulation of the common bile duct and collection of bile, labelled bilirubin was isolated and its mass spectrum determined. One set of results was obtained for a rat to which haemoglobin had been intra... | 637,844 | [
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Quantitative sacroiliac scintigraphy in patients with Crohn's disease. | Sixty patients with Crohn's disease have been assessed radiologically and by quantitative sacroiliac scintigraphy for evidence of sacroilitis and/or ankylosing spondylitis. The incidence of radiologic sacroiliitis (11%) and ankylosing spondylitis (5%) was no greater in our series than previously reported. However, the ... | 637,890 | [
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Comparative studies of porphyrin production in Propionibacterium acnes and Propionibacterium granulosum. | Porphyrin production by Propionibacterium acnes and that by Propionibacterium granulosum were compared. Porphyrin synthesized by both organisms was identified as coproporphyrin III on the bases of absorption and fluorescence spectra and behavior on paper chromatography and thin-layer chromatography. Quantitative, rathe... | 637,914 | [
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Correction for loss of CO2 from blood during measurement of osmotic pressure. | During osmolality measurement by the vapor pressure method, exposure of the blood sample to air lowers the blood CO2 content and hence osmolality. A modification of the sample holder of a vapor pressure osmometer is described allowing exposure of the blood sample to a gas mixture with known concentration of CO2 and O2 ... | 637,920 | [
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Effect of cyclopropane on pulmonary vascular resistance and hypoxic pulmonary vasoconstriction in the isolated perfused cat lung. | Cyclopropane was found to produce no significant changes in pulmonary vascular resistance or the pulmonary vasoconstrictor response to alveolar hypoxia in isolated cat lungs perfused at constant flow. | 637,992 | [
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Simultaneous trace analysis of nitrous oxide and halothane in air. | A gas chromatographic method for the simultaneous analysis of halothane and nitrous oxide in operating theatre atmospheres has been developed and evaluated. The flame ionization detector is suitable for the quantitative analysis of halothane in concentrations approaching one part per million. The frequency-modulated el... | 637,994 | [
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0.2606711,
0.07192989,
0.129... |
Porcine malignant hyperthermia. VI: the effects of bilateral adrenalectomy and pretreatment with bretylium on the halothane-induced response. | The effects of bilateral adrenalectomy, together with the i.v. administration of bretylium tosylate 20 mg kg-1 on halothane-induced malignant hyperthermia (MH), were investigated in six Pietrain pigs. All six animals survived the halothane challenge, and failed to show any signs of increased muscle metabolism. Bilatera... | 637,997 | [
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0.1172469,
0.1743188,
0.2331113,
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... |
Monocytes and macrophages in malignant melanoma. II. Lysis of antibody-coated human erythrocytes as an assay of monocyte function. | Peripheral blood mononuclear cells will lyse antibody-treated human erythrocytes. Using Group A red cells and a hyperimmune anti-A1 serum, we have devised a microassay for the cytolytic capacity of mononuclear cell suspensions. The effector cells responsible for red-cell lysis are mononuclear, adherent and phagocytic, ... | 638,013 | [
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0.4101952,
0.3882245,
0.2445399,
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0.... |
Effect of interaction between methotrexate and dihydrofolate reductase on DNA synthesis in L1210 cells in vitro. | L1210 leukaemia cells were preloaded with [(3)H methotrexate] (MTX) to saturate high-affinity intracellular sites, and were then incubated with [(3)H]MTX to determine the steady-state intracellular MTX concentrations at extracellular concentrations ranging from 10 μM to zero. In addition, incubations to generate incomp... | 638,018 | [
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0.3563417,
0.4994726,
0.2559673,
0.05469348,
0.1... |
Long-term effects of phenobarbitone-Na on male Fischer rats. | Male inbred Fischer rats were fed phenobarbitone-Na at a level of 500 parts/10(6) in the diet for 1 week, followed by 1000 parts 10(6) for 103 weeks at which time the survivors were killed. Thirty-three treated rats survived to 80 weeks. Before 80 weeks, no animals showed hyperplastic lesions. Of the 33 rats surviving ... | 638,020 | [
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0.2783836,
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Fibrinolytic activity of cultured cells derived during ethylnitrosourea-induced carcinogenesis of rat brain. | Using a fibrin-agarose-overlay technique, high levels of plasminogen-dependent fibrinolytic activity have been demonstrated in cell lines derived from an ethylnitrosourea-induced glioma of the rat brain. Cell lines derived from normal adult rat brain showed only low levels of activity. The degree of lysis produced by a... | 638,021 | [
0.04969988,
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0.3681985,
0.3560033,
0.3955465,
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... |
Myocardial changes after infection with Coxsackie virus B3 in nude mice. | Athymic BALB/c-nu/nu (nu/nu) mice were inoculated i.p. with Coxsackie virus B3. The infected nu/nu mice were studied histopathologically, virologically and serologically in comparison with BALB/c-nu/+ (nu/+), BALB/c-+/+(+/+) and conventional ddY/S mice inoculated with the same virus. The virus titre in the hearts of nu... | 638,027 | [
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0.5596099,
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0.2802261,
-0.23233... |
Metyrapone-induced cardiovascular degenerative changes in non-arteriosclerotic and arteriosclerotic rats. | Virgin and breeder, male and female, Sprague-Dawley rats were unilaterally nephrectomized and given 1% saline drinking water. Animals were injected i.p., twice daily, with a 10 mg/100 g body wt dose of the 11-beta hydroxylation inhibitor, Metyrapone. After 7 weeks of treatment, both the previously nonarteriosclerotic v... | 638,031 | [
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0.257098,
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0.06095023,
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... |
A quantitative approach to epidermal wound healing: the effect of dexamethasone on regenerating epithelium. | The effect of dexamethasone on the regeneration of new epithelium over the base of an excised suction blister has been studied over a period of 9 days. It was found that dexamethasone did not significantly affect the migration of epidermis over the blister base but it did significantly reduce the number of cells in DNA... | 638,038 | [
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0.3716028,
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0.109... |
Autoimmune antibodies in chronic lymphatic leukaemia. | In chronic lymphocytic leukaemia a factor in patients' serum enhances the in vitro viability of the abnormal cells and this has been identified as an antibody. The activity of this factor can be removed by interaction with anti-immunoglobulin and by ammonium sulphate precipitation with a degree of saturation in excess ... | 638,064 | [
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0.2152758,
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0... |
Non-tropical 'idiopathic splenomegaly': a follow-up study of ten patients described in 1969. | The later history is described of four of 10 patients who were reported in 1969 as suffering from non-tropical 'idiopathic splenomegaly'. Two of the four patients developed malignant lymphomas 6 years and 2 years, respectively, after splenectomy but the two other patients have lived for 17 and 15 years, respectively, ... | 638,068 | [
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... |
Capacity of ringed sideroblasts to synthesize nucleic acids and protein in patients with primary acquired sideroblastic anaemia. | Bone marrow cells from two patients with primary acquired sideroblastic anaemia were studied using the technique of electron microscope autoradiography. Whereas a significant proportion of erythroblasts containing small to moderate quantities of intramitochondrial deposits incorporated [3H]thymidine into DNA, the major... | 638,083 | [
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0.05921467,
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0.1751851,
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Corneal toxicity from vinblastine solution. | The case is reported of a male physician who accidentally sprayed some vinblastine solution into his eyes. The resulting lesions are described. | 638,102 | [
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0.121212,
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0.2033189,
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Intracorneal and sclerocorneal cysts. | Two cases of corneal cysts are reported, one sclerocorneal and the other intracorneal. The two conditions differ in pathogenesis, appearance, course, and management. | 638,106 | [
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0.04366552,
0.0247223... |
Refractive errors of retinitis pigmentosa patients. | A retinitis pigmentosa (RP) population (268 eyes) had predominantly myopic refractive errors. Whereas 12% of a normal population have myopic refractions, myopia was found in 75% of 268 eyes of RP patients and in 95% of 41 eyes of X-linked RP patients. The spherical errors describe a single-peaked, skewed distribution, ... | 638,108 | [
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0.2342261,
0.1377575... |
The incidence of HLA-SD antigens in recessive retinitis pigmentosa. | Eighteen patients with recessive retinitis pigmentosa were tissue typed for HLA-SD antigens. There was no evidence that a particular HLA-SD antigen was associated with autosomal recessive retinitis pigmentosa. | 638,110 | [
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Effects of vitamin B12 deficiency on lipid metabolism of the rat liver and nervous system. | 1. Rats bred from vitamin B12-depleted dams were fed on a vitamin B12-deficient diet for 12-15 months and developed a severe vitamin B12 deficiency, as judged from methylmalonic acid excretion and tissue vitamin B12 levels at slaughter. Control rats were supplemented with vitamin B12 in the drinking-water. 2. Neurologi... | 638,120 | [
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0.6069381,
0.05400892,... |
Mono ferrous acid citrate (FeC6O7H2O) as an iron fortificant. | 1. Iron absorption from ferrous citrate (monoferrous acid citrate, FeC6H6O7H2O) was studied in normal healthy male and female volunteers using ferrous citrate labelled with radioactive Fe and whole-body counting. Ferrous citrate was either given alone or with a rice-based meal. 2. Fe absorption from ferrous citrate was... | 638,134 | [
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-... |
Duroquinol as an electron donor for chloroplast electron transfer reactions. | Duroquinol (tetramethylhydroquinone) was found to function as an electron donor in chloroplasts. Non-cyclic electron transfer from duroquinol to electron acceptors such as oxygen proceeded at high rates, was insensitive to 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU) but was sensitive to the plastoquinone antagonist ... | 638,137 | [
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0.2888065,
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0.0455347,
0.2262125,
0.04095023,
-0.06231427... |
Heat-induced changes of chlorophyll fluorescence in isolated chloroplasts and related heat-damage at the pigment level. | The heat-induced changes of chlorophyll fluorescence excitation and emission properties were studied in isolated chloroplasts of Larrea divaricata Cav. An analysis of the temperature dependency of fluorescence, under Fo and Fmax conditions, of temperature-jump fluorescence induction kinetics, and of 77 degrees K emissi... | 638,138 | [
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0.9527375,
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Isolation and characterization of a rubredoxin and an (8Fe-8S) ferredoxin from Desulfuromonas acetoxidans. | A two cluster (4Fe-4S) ferredoxin and a rubredoxin have been isolated from the sulfur-reducing bacterium Desulfuromonas acetoxidans. Their amino acid compositions are reported and compared to those of other iron-sulfur proteins. The ferredoxin contains 8 cysteine residues, 8 atoms of iron and 8 atoms of labile sulfur p... | 638,141 | [
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0.4831047,
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0.152185,
0.3092941,
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... |
Serine ethanolamine phosphodiester: a major component in chicken semen. | The phosphodiester, serine ethanolamine phosphodiester, has been found by 31P NMR to be present in chicken semen and the structure was confirmed by chromatographic and spectroscopic techniques. The presence of serine ethanolamine phosphodiester in chicken semen completes the analogy between the distribution of this com... | 638,178 | [
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0.1020908,
0.3617474,
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-0.185409... |
Lipase-colipase interactions during gel filtration. High and low affinity binding situations. | The interaction of porcine pancreatic lipase and colipase was studied during gel filtration in columns eluted with a variety of buffers. High and low affinity binding situations were observed under different conditions. Low affinity binding could only be detected at the high lipase-colipase concentrations encountered d... | 638,181 | [
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0.0717612,
... |
Evidence for a membrane-bound fraction of chick intestinal calcium-binding protein. | After homogenization of intestinal mucosa from vitamin D-replete chicks and high speed centrifugation, the major proportion of the vitamin D-induced calcium-binding protein is present in the supernatant fraction. However, the centrifugate, after repeated washing, contains significant amounts of bound calcium-binding pr... | 638,206 | [
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0.4015605,
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Selenium proteins in ovine tissues: III. Distribution of selenium and glutathione peroxidases in tissue cytosols. | Three 6 week-old lambs were injected with carrier-free selenium-75 as sodium selenite initially and again after 6 days. One lamb received no further injections whereas the other two received injections of either vitamin E or unlabeled Na2SeO3 when the first selenium-75 injection was given. Selected tissues were removed... | 638,209 | [
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0.403285,
0.2161102,
0.5941545,
0.02551001,
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Exponentiated exponential model (Gompertz kinetics) of Na+ and K+ conductance changes in squid giant axon. | The conductance changes, gK(t) and gNa(t), of squid giant axon under voltage clamp (Hodgkin and Huxley, 1952) may be modeled by exponentiated exponential functions (Gompertz kinetics) from any holding potential VO to any membrane clamp potential V. The equation constants are set by the membrane potential V, and include... | 638,223 | [
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0.2224296,
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0.5186538,
0.1440599,
-0.05935235,
0.... |
Energy transfer in the purple membrane of Halobacterium halobium. | The absorption spectrum of the primary photoproduct (the bathoproduct, or K) of the purple membrane protein (PM) at-196 degrees C has a maximum at 628 nm and an extinction coefficient of 87,000. Knowing the absorption spectrum allowed us to calculate the quantum efficiencies for PM to K and K to PM conversion at -196 d... | 638,226 | [
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0.09890037,
0.4270692,
0.1876513,
-0.08405027... |
Effect of hormones on the glycosaminoglycan content of canine renal arteries. | The effect of hypophysectomy and replacement therapy with individual hormones such as somatotropin, cortisone, estradiol, progesterone and testosterone on the glycosaminoglycan (GAG) composition of renal arteries was studied in young beagles. The renals from normal animals showed a uniformly low total GAG content of ab... | 638,259 | [
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[Current aspects on evaluation of assays of factor-VIII activity, factor-VIII associated protein and factor-VIII neutralizing antibody (author's transl)]. | In evaluating factor-VIII activity it should be noted that regarding the remaining activity of deficient plasma a linear reference curve is achieved. In the standard population factor-VIII activity and factor-VIII associated protein are distributed approximately lognormally. Due to this distribution certain results hav... | 638,264 | [
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... |
Abnormal binding of spectrin to the membrane of erythrocytes in some cases of hereditary spherocytosis. | In two cases of hereditary spherocytosis that we have examined, spectrin was bound abnormally tightly to the erythrocyte membrane, and could not be released by low ionic strength dialysis. This type of behaviour occurs in normal red cells only after heating above 50 degrees C. It appears that some cases of spherocytosi... | 638,266 | [
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Immunoglobulins and viral antibodies in psychiatric patients. | The serum and CSF of 66 patients with functional psychoses were tested for immunoglobulins and antibodies to measles, HSV-I, CMV, and rubella viruses. Ten surgical and 80 neurological patients were controls. There were no significant findings in the serum, consistent with most previous studied. In the CSF 6 of 17 multi... | 638,387 | [
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... |
The bruit-occlusion test: a clinical method for localizing arterial stenosis. | The bruit-occlusion test is accomplished by listening to a bruit whilst occluding and releasing an efferent artery, e.g. bruit in the groin, occluding the superficial femoral artery. If the bruit disappears, that efferent artery is stenosed. Changes in intensity of the bruit imply stenosis in the parent or alternate ef... | 638,435 | [
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Meconium ileus equivalent an adult: a case report. | A case is described of meconium ileus equivalent presenting as a small bowel obstruction in an adult patient with cystic fibrosis. The importance of conservative management with acetylcysteine and intravenous fluids is emphasized. | 638,439 | [
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Inhibition of aldosterone response to surgery by saline administration. | The renin-angiotensin system, ACTH and hyperkalaemia are known to induce increased plasma levels of aldosterone. In order to assess the relative significance of these mechanisms during surgical stress, aldosterone, cortisol and electrolytes in plasma were measured in 12 otherwise healthy women during and after cholecys... | 638,442 | [
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Assessment of suture materials for intestinal use by an extramucosal implant technique and a quantitative histological evaluation. | Six suture materials, 5 of which are in common use for intestinal suture, were implanted in the small and large bowel of the rabbit, and thereafter the durability of their tensile strength and the histological reaction produced were assessed at standard times over 64 days. Absorbable sutures (catgut and polyglycolic ac... | 638,456 | [
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0... |
Dextran and intermittent pneumatic compression in prevention of postoperative deep vein thrombosis: multiunit trial. | Seven general surgical units co-operated in a clinical trial of dextran 70 and pneumatic calf compression alone and in combination in the preventing of 125I-fibrinogen-detectable deep vein thrombosis in 305 patients. Both dextran regimens were significantly more effective than pneumatic compression alone. Pulmonary em... | 638,545 | [
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Influence of elevated pulmonary vascular resistance on the relationship between central venous pressure and pulmonary artery occluded pressure following cardiopulmonary bypass. | This study has demonstrated that CVP measurement is an unreliable index of left ventricular filling pressure in unselected patients undergoing A-C bypass procedures. The influence of altered PVR on the disparity between right and left ventricular filling pressures is not of prime importance. The inconsistent relationsh... | 638,820 | [
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... |
A flexible stilette for replacing damaged tracheal tubes. | A simple method to facilitate exchange of a damaged tracheal tube is described. The technique entails the passage of a flexible stilette 4 mm in diameter through a damaged tracheal tube, which is then removed and replaced with a new sterile one passed over the stilette. The technique can be used in conscious or unconsc... | 638,831 | [
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Can steroid reduce endothelial damage in stored corneas? Effect on cell viability and ultrastructure. | We studied the effect of steroid on the viability and integrity of the endothelium of variously stored corneas of different species of animals and man. Paired corneas of rodents and humans were used,--one cornea (experimental) being treated with steroid and the other (control) not. Rat and guinea pig corneas were kept ... | 638,843 | [
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0.446... |
Endophthalmitis caused by Propionibacterium acnes. | We treated a man who developed endopthalmitis six weeks after a seemingly minor injury. Cultures were positive for Propionibacterium acnes, an anerobic, Gram-positive rod that is a normal inhabitant of the conjunctiva but is rarely a cause of endophthalmitis. The patient underwent vitrectomy and lensectomy with intravi... | 638,845 | [
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A free-running endogenous rhythm of the resting heart rate in man. | A sine-wave oscillating rhythm of the heart rate is reported in 24 out of 31 resting healthy subjects. Identification of these free-running cycles was by spectral analysis of minute-by-minute recordings of electrocardiograms, and in a few cases by inspection of cardiotachometer records. The periodicity of this rhythm w... | 638,862 | [
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[The GC content of a group of H2S- enterobacterial related to the genus Citrobacter]. | The deoxyribonculeic acid (DNA) of 106 strains of Enterobacteria was analysed for the guanine + cytosine (GC) content. These strains, whose origin and principal characters are described in the text, belong to the genera Citrobacter (C. freundii H2S-) and Levinea (L. malonatica and L. amalonatica). Four other groups or ... | 638,898 | [
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Effect of hydrochlorothiazide on urine saturation with brushite, in vitro collagen calcification by urine, and urinary inhibitors of collagen calcification. | To clarify further the beneficial effect of thiazide diuretics on recurrent calcium nephrolithiasis, the effect of short-term hydrochlorothiazide therapy on urine saturation with brushite (CaHPO(4).2H(2)O), in vitro collagen calcification by urine, and urinary inhibitors of calcification was studied.In 22 patients with... | 638,910 | [
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The contribution of surgery to the management of carcinomatous pulmonary metastases. | The presence of carcinomatous pulmonary metastases is a common clinical problem viewed by many physicians as beyond the realm of definitive surgical considerations. However, a number of patients dying with pulmonary metastases will have the totality of their disease confined to the lungs. In this select population, the... | 638,972 | [
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... |
Curability of Ewing's sarcoma and considerations for future therapeutic trials. | Twenty previously untreated children with primary Ewing's sarcoma and 8 children with primary tumor and metastatic disease were treated with surgery or radiation therapy (6,000-7,000 rads) for their primary tumor and T-2 chemotherapy. Of the 20 children with primary Ewing's sarcoma treated with T-2 "adjuvant" chemother... | 638,976 | [
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0.02703304,
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Synergistic action of high-dose hydroxyurea when used with cyclophosphamide and certain new organoplatinum complexes in treatment of advanced L1210 leukemia. | Seven new organoplatinum (Pt) compounds, cyclophosphamide (CY), and hydroxyurea (HU) were used singly and in combination in treatment of advanced L1210 leukemia in C57BL/6 X DBA/2 mice. In each experiment the Pt + CY combination was supra-additive, as has been shown with other Pt compounds when used with CY. HU at the ... | 638,988 | [
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... |
Lack of usefulness of bone marrow enzymes and calcium in staging patients with prostatic cancer. | Bone marrow acid phosphatase has been reported to be a sensitive indicator of early bony metastasis from adenocarcinoma of the prostate. In order to evaluate this hypothesis, we measured bone marrow acid and alkaline phosphatase, lactic dehydrogenase, and calcium levels in a group of 84 patients with a variety of probl... | 639,003 | [
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Inflammatory carcinoma of the breast. | Fifty-eight patients with clinical inflammatory breast carcinoma and 15 patients with "occult" inflammatory cancer (dermal lymphatic carcinomatosis without clinical inflammation) are grouped and reviewed to determine whether diagnosis is pathologic or clinical. All cases represent a retrospective study of records from ... | 639,015 | [
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... |
The junctional connections between the cells of the urinary bladder in the rat. | The junctional connections between the cells of the urinary bladder epithelium in rat have been studied by freeze-fracturing. Tight junctions and desmosomes are known as structural features of the epithelium. In addition, gap junctions (nexus) have been found to connect the epithelial cells in an irregular distribution... | 639,084 | [
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... |
Localization of glyoxylic acid-induced histofluorescence in surgically isolated medial basal hypothalamus of the rat. | Examination of glyoxylic acid-induced catecholamine histofluorescence in the hypothalamic median eminence of adult male rats revealed a linear pattern of fine varicosities coursing through the ependymal and fibrous zones, suggestive of juxtaposition to tanycytes. In order to determine the origin of these terminals, adu... | 639,085 | [
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0.1893636,
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Responses of lysosomes in the digestive cells of the common mussel, Mytilus edulis, to sex steroids and cortisol. | Estradiol-17beta and progesterone at physiological concentrations in vivo induced a reduction in lysosomal stability in the digestive cells of Mytilus edulis. Estradiol-17beta (10(-8) M) also reduced lysosomal stability within 15 min in vitro. Lysosomal stability was determined cytochemically as the labilisation period... | 639,092 | [
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Observations on the cytolemma of the olfactory receptor cell in the newt. 1. Freeze replica analysis. | The fine structure of the cytolemma of olfactory receptor cells in the newt was studied by the freeze-fracture replica method. Two kinds of receptor cells were recognized, namely ciliated cells (ciliary type) and non-ciliated cells (microvilli type). The cytolemma of olfactory knobs as well as their processes from both... | 639,099 | [
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0.1620427,
0.1061243,
-0.05302545... |
Urinary kallikrein in rats bred for their susceptibility and resistance to the hypertensive effect of salt. A new radioimmunoassay for its direct determination. | Urinary kallikrein was measured in rats bred to be susceptible (S) or resistant (R) to the hypertensive effect of salt. To determine kallikrein, three different methods were used: (1) a new direct radioimmunoassay (RIA) for the enzymic protein: (2) a method based on the capability of kallikrein, when incubated with kin... | 639,196 | [
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Anticoagulant therapy and central nervous system complications in patients with prosthetic valve endocarditis. | Among 52 cases of prosthetic valve endocarditis, adequate anticoagulant therapy was administered in 38 and discontinued or given in subtherapeutic dosage in 14. Our data suggest that anticoagulant therapy does not appreciably increase morbidity or mortality in patients with prosthetic valve endocarditis. On the contrar... | 639,199 | [
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0... |
The prognostic spectrum of left main stenosis. | Three-year survival for 163 consecutive medically treated patients with 50% or greater left main stenosis was 50%. Survival was significantly higher for patients with 50 to 70% left main stenosis (one and three-year survivals of 91% and 66%) than for patients with 70% or greater left main stenosis (one and three-year s... | 639,216 | [
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-0.1226946,
... |
Lactic dehydrogenase isoenzyme determination in the diagnosis of acute myocardial infarction. | Lactic dehydrogenase (LD) isoenzymes were determined by a rapid, simple technique and their utility in the diagnosis of acute myocardial infarction (AMI) was evaluated. LD isoenzymes were separated by ion-exchange column chromatography using DEAE-Sephadex. The cardiac fractions (LD-1 and LD-2) were measured separately ... | 639,224 | [
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Comparison of the electrocardiographic changes induced by maximam exercise testing with treadmill and cycle ergometer. | Maximum exercise testing using treadmill walking and cycle ergometry was compared in 40 male patients who had suffered a myocardial infarction in the preceeding twelve months. Maximum oxygen uptake was on average 17% greater in the treadmill than the cycle test and maximum heart rate was also higher, but the rate press... | 639,226 | [
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0.1763504,
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0.06028593... |
Gas-chromatographic determination of polyol profiles in cerebrospinal fluid. | We describe a simple method for collectively determining polyols in the cerebrospinal fluid. The method consists of protein removal, sample derivatization, and gas chromatography of the trimethylsilylated polyols, with use of glass capillary columns. Nine major polyol constituents, the structures of which were verified... | 639,257 | [
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0.2146825,
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0.03300825,
0.04127624... |
Screening for urinary oligosaccharides: application to a mentally handicapped population and to patients with some other diseases. | The method for screening urinary oligosaccharides described in the accompanying paper [Clin. Chem. 24, 669 (1978)] has been applied to a large group of mentally handicapped patients as well as to patients with cystic fibrosis, malignant disease, and schizophrenia. The cause of the mental handicap was unknown in most ca... | 639,281 | [
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0.2862133,
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The measurement of pregnancy specific beta1-glycoprotein by electroimmunodiffusion. | A method is described for measuring the concentration of a specific glycoprotein secreted by the placenta into the maternal circulation, by electrophoresis, in antibody-containing agarose ("rocket" technique). The concentration of the protein can be measured from 10 weeks of pregnancy to term. | 639,292 | [
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A new cause of increased serum aspartate aminotransferase activity. | Two healthy young women had an unexplained persistent elevation of aspartate aminotransferase (ASAT) activity. In both cases electrophoresis of serum ASAT isoenzymes displayed an abnormally moving fraction that comprised the whole serum activity, while liver and muscle revealed the normal cytoplasmic and mitochondrial ... | 639,298 | [
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0... |
Identification of fatty acid methyl esters in kidneys and livers of two patients with Reye's syndrome. | An unusual lipid, having an Rf value between that of cholesterol ester and of triglyceride on thin-layer chromatography, was clearly demonstrated in lipids from kidneys and livers of two Japenese children with Reye's syndrome. Gas chromatography-mass spectrometry revealed that the unusual lipid from viscera of the pati... | 639,302 | [
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0.3159694,
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A novel fluorometric ultramicro determination of serum leucine aminopeptidase using a coumarine derivative. | A simple and rapid rate assay of serum leucine aminopeptidase is described, using a novel fluorogenic substrate, 7-L-leucyl-4-methylcoumarinylamide. The reaction is initiated by adding 10 microliter of serum, and the fluorescence development for 1 min due to the 7-amino-4-methylcoumarin liberated at 37 degrees C is fol... | 639,319 | [
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0.1352214,
0.3400905,
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... |
Assessment of prolactin release in pituitary dwarfism with the sulpiride test. | We report here the results obtained with a new test of prolactin (PRL) release in six normal pre-pubertal boys, eleven children with short stature of non-pituitary origin and in thirteen pituitary dwarfs. The test consists of the administration of 100 mg of sulpiride i.m. and the measurement of PRL in serum samples up ... | 639,331 | [
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0.02020771,
0.1863241,
0.06644951,
0.1765977,
-... |
Plasma steroid and gonadotrophin profiles in ovulatory but infertile women. | A group of twelve patients with a history of infertility lasting at least 2 years despite evidence of regular ovulatory cycles, were selected from an Infertility Clinic after thorough investigation had revealed no other obvious cause for their infertility. Daily plasma gonadotrophin and steroid concentrations were meas... | 639,334 | [
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0.001688227,
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0.1151578,
0.0779456,
0.3573021,
-0.09390365,... |
Double heterozygosis for hemoglobin C-beta thalassemia: description of a Spanish family. Hemoglobin C-beta thalassemia in a Spanish family. | A spanish family is described with two abnormal genes: 1) hemoglobin C in heterozygosis with normal hemoglobin, introduced by the subject's mother, and 2) heterozygotic betathalassemia for which the father is a carrier. In the subject and his sister, both abnormal genes coincide with the presence of hemoglobin C and he... | 639,336 | [
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0.1045963,
0.1724447,
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0... |
The in vitro effect of thymic humoral factor and levamisole on peripheral blood lymphocytes in systemic lupus erythematosus patients. | The in vitro effect of thymic humoral factor (THF) and levamisole on E rosette-forming cells in the peripheral blood of seventeen patients with systemic lupus erythematosus (SLE) was studied. Patients with active disease showed a low number of E rosette-forming cells. A significant rise in the number of E rosettes was ... | 639,342 | [
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0.9020856,
0.3214899,
0.1434291,
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-0... |
Interactions between prazosin, clonidine and direct vasodilators in the anaesthetized rat. | 1. Prazosin, clonidine, hydrallazine and diazoxide were administered intravenously, alone or in various combinations, to anaesthetized rats. 2. Prazosin and clonidine were equipotent. Their combined hypotensive effects in no instance exceeded the maximum effect attainable with either agent alone. The hypotensive effect... | 639,362 | [
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-0.03108... |
The effect of an angiotensin antagonist (saralasin) on arterial pressure and plasma aldosterone in hemodialysis-resistant hypertensive patients. | The effect of an angiotensin II antagonist (saralasin) on arterial pressure, plasma renin activity (PRA) and plasma aldosterone concentration (PAC) was assessed in seven dialysis-resistant hypertensive patients. During saralasin infusion performed before hemodialysis, mean arterial pressure fell by 8 to 18.3% in six ou... | 639,368 | [
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0.1298747,
0.191076,
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Chondrocalcinosis following osteochondritis dissecans in the femur condyles. | Chondrocalcinosis, defined as radiopaque deposits in the joint cartilages and in semilunar cartilages of the knee joint, develops frequently in patients in whom osteochondritis dissecans is diagnosed after the epiphyseal line of the distal end of the femur is closed. Chondrocalcinosis occurred in 2/3 of the cases surgi... | 639,393 | [
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... |
Eyebrow, face, and neck lifts for males. | Alternate locations to skin excisions adjacent to the eyebrows for correction of eyebrow ptosis have been presented. Excisions in the upper forehead or in the scalp permit flexibility in width and length of skin or scalp to be excised and may be extended laterally to produce a temporal lift which not only improves the ... | 639,441 | [
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... |
Complications in blepharoplasty. | I believe that if one follows the precautions outlined, including a time-tested surgical technique and thorough clinical history and physical examination, the operation of blepharoplasty should prove to be one of the most gratifying aesthetic operations. | 639,440 | [
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0.04019945,
0.2183671,
0.07241511,
0.0089751... |
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