title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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[The effect of noise trauma on speech discrimination in silence and under influence of party noise (author's transl)]. | Speech audiometry investigations were carried out in silence and under action of cocktail party noise in 44 soldiers. The testing subjects were grouped according to age and degree of noise lesion. The statistical evaluation of discrimination losses measured in silence and under acting party noise indicated that noise l... | 749,875 | [
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Photosensitization in ducklings induced by seeds of Cymopterus watsonii and C. longipes. | For 14 days ducklings were fed seeds of Cymopterus watsonii or C. longipes at 100 mg, 500 mg, or 2 g/kg of body weight and exposed to sunlight. Those fed C. longipes at 500 mg showed transient photosensitization. C. watsonii at 2 g induced mild photosensitization at 8 days, with consequent beak deformity and little app... | 749,886 | [
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Chlamydia shedding by four species of wild birds. | Four wild bird species--great-tailed grackle (Cassidix mexicanus), common grackle (Quiscalus quiscula), brown-headed cowbird (Molothrus ater), and mourning dove (Zenaidura macroura)--were either inoculated intratracheally with Chlamydia psittaci or exposed indirectly as uninoculated cagemates. Shedding of chlamydiae wa... | 749,892 | [
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Fetal haemoglobin production and the sickle gene in the oases of Eastern Saudi Arabia. | Fetal haemoglobin (HbF) levels have been measured in 137 normal (AA) subjects, 109 with the sickle-cell trait (AS) and 237 with sickle-cell anaemia (SS) from the oasis population of Eastern Saudi Arabia. In addition the proportion of F-cells has been estimated in 71 AA, 51 AS and 34 SS subjects. The mean HbF% (and the ... | 749,927 | [
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Exploratory analysis of disease prevalence data from survival/sacrifice experiments. | The paper considers the problem of analyzing disease prevalence data from survival experiments in which there may also be some serial sacrifice. The primary objective of the analysis is to describe the composition of the treated and control populations, in terms of age-dependent disease prevalences, by removing distort... | 749,944 | [
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"No-effect-level" of malathion (o,o'-dimethyl dithiophosphate of diethyl mervaptosuccinate) in Bubalus bubalis. | An oral dose of 0.5 mg/kg/day malathion continuously administered for one year has been investigated to produce no change in biochemical (RChE, PChE, aspartate- and alanine aminotransferases, blood glucose, serum urea and plasma total proteins) or haematological (Hb, PCV, tRBC and tWBC) parameters and, therefore, consi... | 749,980 | [
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Trace element concentrations of the rough limpet, Acmaea scabra, in California. | The trace element (Ag, Cd, Cu, Fe, Mn, Ni, Zn) concentrations of the rough limpet, Acmaea scabra, were determined at twelve locations along the california coastline. The mean silver concentration of the organisms was highest at Pt. La Jolla, but no elemental concentration exhibited measurable geographic differences. Si... | 749,982 | [
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Application of 125I radioimmunoassay to measure inhibition of precipitin reactions using carbohydrate-specific antibodies. | Antibodies raised to an artificial antigen with beta-D-galactopyranosyl groups as antigenic determinants were purified using an immunoadsorbent prepared from the hapten involved in the synthesis of the antigen. In order to study the specificity of these antibodies, 125I radiolabelling of either the artificial antigen o... | 750,071 | [
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Absence of IgG lymphocytotoxins in untreated Hodgkin's disease (HD) patients. | Six of twenty-three sera (26%) from patients with Hodgkin's disease (HD) contained IgG antibody with an affinity for human lymphocytes and lymphoblastoid cell lines. All sera were negative for complement-dependent and antibody-mediated cell cytotoxicity against human lymphoid cells irrespective of their binding capacit... | 750,114 | [
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The organelle pathology and demonstration of mitochondrial superoxide dismutase deficiency in two patients with Dubin--Johnson--Sprinz syndrome. | 1. Liver biopsies from two patients with the Dubin-Johnson-Sprinz syndrome were subjected to analytical subcellular fractionation by sucrose-density-gradient centrifugation and enzymic microassays. 2. A selective deficiency of mitochondrial superoxide dismutase has been demonstrated in these patients. 3. The significan... | 750,156 | [
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Effect of zinc on leucocyte sodium transport in vitro. | 1. In a preparation of human leucocytes maintained in tissue culture fluid, increasing the extracellular zinc concentration leads to a significant increase in both ouabain-sensitive sodium efflux and in sodium influx. 2. Cell water and sodium content do not alter significantly with increasing extracellular zinc concent... | 750,160 | [
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Rapid detection of amphetamine in urine by micro thin-layer chromatography and fluorescence. | A rapid, inexpensive, and simple screening procedure for the detection of amphetamine abuse was developed for use by laboratories without sophisticated equipment. A small volume of extract from a pH-adjusted urine specimen is used to spot a high-resolution micro TLC plate. The developed TLC plate is sprayed with a solu... | 750,161 | [
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Basic principles in selecting animal species for research projects. | One of the most important facets of biomedical research is selecting the species of laboratory animal best suited for a particular purpose. The four major categories of animal models are experimental, spontaneous, negative, and orphan. The experimental model is the one most frequently used, but each category has a plac... | 750,165 | [
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Effects of the first (ether) extract of ginseng on the cardiovascular dynamics of dogs during halothane anesthesia. | An electromagnetic flowmeter probe was chronically implanted around the ascending aorta in ten dogs. Subsequently, these animals were maintained under halothane (0.75%) anesthesia during the intravenous administration of an ether extract (40 mg/kg) of ginseng. Five other dogs were anesthetized without injecting ginseng... | 750,170 | [
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Radioimmunoassay of norethindrone : serum levels of norethindrone in lactating women after insertion of a single Silastic implant releasing norethindrone acetate. | A specific radioimmunoassay was developed for the estimation of norethindrone levels in the serum of lactating women. A conjugate of norethindrone-3-BSA was synthesized and antiserum raised against it in rabbits. The antiserum showed high affinity (1.5 x 10(9)M/L) and titer and was specific. The sensitivity of the assa... | 750,187 | [
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The effect of maternal smoking on birth weight and the subsequent health of the child. | The effect of maternal smoking during pregnancy on birth weight was studied in 12,068 births, the mothers in 1819 of which were regarded as smokers. The children of the smokers were compared with those of controls of similar age, parity, marital status and place of residence. Maternal smoking reduced birth weight in a ... | 750,195 | [
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Computerized tomography and nuclear imaging of the liver: a comparative study in 83 cases. | This study was performed to comparatively assess the diagnostic accuracy of computerized tomography (CT) and nuclear liver-scanning in detecting and defining circumscript and diffuse liver diseases in 83 patients. Presence or absence of liver diseases was assessed based on the results of invasive diagnostic procedures ... | 750,203 | [
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The measurement of gastric emptying during labour. | The author describes how the rate of paracetamol absorption may be used as an indirect measure of gastric emptying rate in clinical situations such as during labour or post-partum, when direct measurement would be impracticable. | 750,255 | [
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Proteolytic proenzymes in the pancreas in the course of experimental bile-induced pancreatitis in the guinea pig. | The levels of the proenzymes trypsinogen and chymotrypsinogen were studied in guinea pigs with pancreatitis induced by injection of sodium taurocholate containing the antibiotic cephalothin. This treatment inhibited the enzyme activities and prolonged the activation times of the proenzymes. Both trypsinogen and chymotr... | 750,263 | [
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Tumor induction in the glandular stomach of rats after oral administration of a single or a few doses of N-methyl-N'-nitro-N-nitrosoguanidine during the newborn period. | When N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) was orally intubated to conventional newborn rats by the catheter technique, the rats were found with tumors almost exclusively developed in the glandular stomach, mostly until 280 days after the first intubation. Tumor incidence was about 50% in both sexs of rats that s... | 750,273 | [
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The effects of lipectomy on remaining adipose tissue depots in the Sprague Dawley rat. | Adult male castrate Sprague Dawley rats were subjected to surgical removal of the right inguinal and both epididymal fat depots. Lipectomized rats were not significantly different from controls in total body fat at approximately 13 weeks after surgery suggesting a compensatory fat gain in response to the lipectomy. Mea... | 750,310 | [
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Antihypertensive treatment with the adrenergic beta-receptor blocker metoprolol during pregnancy. | In 101 hypertensive gravidae the selective beta-blocking agent metoprolol alone or in combination with hydralazine has been used. The effects of the mother and fetus have been compared with those of 97 hypertensive gravidae treated with hydralazine. In both groups a small dose of a thiazide was added. Perinatal mortali... | 750,326 | [
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Alteration in some hepatic dehydrogenases and certain lipid components in thiamin deficiency. | An investigation was conducted to study the influence of thiamin deficiency on hepatic glucose-6-phosphate dehydrogenase, malic enzyme (NADP), lactate dehydrogenase and it's isoenzymes, total lipids, cholesterol and phospholipids in adult male albino rats. Typical thiamin deficiency symptoms developed in the 6th week. ... | 750,493 | [
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The impact of work/study programs on employment of the mentally retarded: some findings from two sources. | There were two purposes of this study. The primary goal was to examine the employment success of both graduates and early terminators from high school work/study programs for educable retarded young adults (16--21 years old). A second goal was to study the employment levels of these same mentally retarded persons. Data... | 750,513 | [
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Aberrant congenital dyserythropoietic anemia with negative acidified serum tests and features of thalassemia in a Kurdish family. | Three siblings of a Kurdish Jewish family with clinical and hematologic findings compatible with congenital dyserythropoietic anemia (CDA) are described. All patients presented with mild anemia, marked hyperbilirubinemia and splenomegaly. The bone marrow morphology and ultrastructure of the normoblasts was typical of C... | 750,540 | [
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Human red blood cell membrane adenylate cyclase in sickle-cell disease. | The basal and the NaF-stimulated activities of human red blood cell membrane adenylate cyclase were found to be 5.3 +/- 0.8 (SE) and 219 +/- 76 (SE) pmol . mg-1 . min-1, respectively. Both activities were increased in nine patients with homozygous sickle-cell disease. There was no apparent correlation between this incr... | 750,545 | [
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Thyroid stimulating antibodies in patients with subacute thyroiditis. | A radioreceptor assay was used to measure thyroid stimulating antibodies (TSAb) during the acute and recovery phases in 7 patients with subacute thyroiditis. High levels of TSAb were detected in 4 patients during the acute phase. In two other patients, tests were borderline positive. In the latter two patients tests we... | 750,609 | [
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An outbreak of dialysis dementia due to aluminum in the dialysate. | The dialysis dementia syndrome was observed in eight of 21 patients dialyzed in a small center during a 22-month period in which dialysate contained aluminum levels of 618 microgram/liter. This incidence of 38% was significantly higher than the zero incidence of four prior years when no aluminum was added to city wate... | 750,612 | [
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0.2018488,
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0.1672813,
0.3889408,
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... |
Locus of control and degree of compliance in hemodialysis patients. | An experiment was conducted to test the hypothesis that dialysis patients with an internal locus of control orientation will show a higher rate of compliance to medication and dietary restrictions than those patients with an external locus of control. The results strongly supported the hypothesis. The possibility of in... | 750,614 | [
-0.03343041,
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0.1455941,
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Mating for schistosomes. | A mathematical model for schistosomiasis is developed under the hypothesis of promiscuous mating between mature schistosomes. The model is used to study epidemiology, control, and eradication of schistosome infections. Comparisons are made with previously published models that deal with monogamous mating and with parth... | 750,626 | [
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An analysis of the mammalian ventricular action potential. | A Hodgkin-Huxley model for ventricular excitation is abstracted from electrophysiological data. A singular perturbation analysis of the 8-dimensional phase portrait of the model characterizes the role of calcium during the plateau phase of the ventricular action potential and demonstrates how the calcium refractory per... | 750,632 | [
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Localization of glutamine accumulation and tubular reabsorption in rat nephron. | Glutamine accumulation in rat kidney was investigated by giving large loads of gluta, mate and aspartate and measuring glutamine changes in seven completely defined portions of the nephron and in small patches from the thin limb area and from the papilla. Both glutamate and aspartate (which is partly coverted to glutam... | 750,690 | [
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[On the distribution of the values of intra-ocular pressure in the normal population (author's transl)]. | The distribution of applanation intraocular pressure was studied in a normal population over a period of 7 years. The distribution shows a bimodal curve with peaks at 13 and 17 mm. The assumption is made of two populations whose pressures are symmetrically distributed. Some genetic and clinical aspects of these finding... | 750,702 | [
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Intravenous cannulation of hens for long-term infusion. | Intravenous cannulation was performed on the brachial vein of the hen. The cannulation system consisted of a jacket that fitted around the body of the hen. An external sheath passed through the top of the cage, over a small pulley and was counter-weighted with lead. A subcutaneous polyethylene sheath was extended from ... | 750,735 | [
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Membrane alterations in irreversibly sickled cells: hemoglobin--membrane interaction. | Irreversibly sickled cells (ISCs) are sickle erythrocytes which retain bipolar elongated shapes despite reoxygenation and owe their biophysical abnormalities to acquired membrane alterations. Freeze-etched membranes both of ISCs produced in vitro and ISCs isolated in vivo reveal microbodies fixed to the internal (PS) s... | 750,765 | [
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How laetrile laws affect MDs. | A variety of problems exist in the 17 states that have passed laetrile laws. The precise legal relationship of these statutes to state food and drug laws and state medical practice acts is not well defined. The variability of the laws, state to state, is great and substances other than laetril are sometimes involved. T... | 750,807 | [
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Bile acids LVII. Analysis of bile acids by high pressure liquid chromatography and mass spectrometry. | Several high pressure liquid chromatographic methods for the separation of conjugated and free bile acids are presented. A mixture of synthetic conjugated bile acids has been separated by reverse-phase systems consisting of either a Waters Associated' "fatty-acid analysis" or a muBondapak/C18 column eluted with a mixtu... | 750,836 | [
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Muscle strength and power changes during maximal isokinetic training. | This study investigated the effects of short duration, high intensity training on skeletal muscle. The extensors and flexors of the knee were tested and exercised by means of an isokinetic dynamometer. Measurements of peak torque were obtained at velocities ranging from 0 degrees/sec (isometric) to 300 degrees/sec thro... | 750,845 | [
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Status of police officers with regard to selected cardio-respiratory and body compositional fitness variables. | Physical performance and body composition characteristics of members (n = 75) and recruits (n = 61) of the Louisville Police Department (total n = 136) were assessed. Members were randomly selected males and ranged in age from 20 to 55 years and were ranked from the newest inductee through and including the Chief of Po... | 750,850 | [
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The effect of prednisolone trimethylacetate on the pathogenicity of Dermatophilus congolensis to white mice. | Albino mice were successfully infected intravenously, subcutaneously, intraperitoneally and on the intact and scarified skin with Dermatophilus congolensis. Various gross lesions were observed. Large subcutaneous nodules were produced in mice that were injected subcutaneously. Lesions involving the internal organs were... | 750,937 | [
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The relationship between motor and secretory behaviors in classical appetitive conditioning. | Three hungry dogs received pairings of food with an accessible, illuminated panel. This resulted in the dogs' approaching the lighted panel and salivating. Despite the similarity of these conditioning procedures to those used in a large body of research primarily with avians, however, the dogs did not physically contac... | 750,967 | [
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The effect of sodium pentobarbital on the fertility of fowl spermatozoa. | The effect of three levels of sodium pentobarbital in modified glycine-citrate extender on the preservation of the fertilizing capacity of fowl spermatozoa was tested. Extended semen samples were stored for 24 and 48 hr at 2 C before insemination. Insemination with semen stored for 24 hr in the extender containing 120 ... | 751,052 | [
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The cure of advanced cancer by diet therapy: a summary of 30 years of clinical experimentation. | Thirty years of clinical experimentation has led to a successful therapy for advanced cancer. This therapy is based on the concepts (1) that cancer patients have low immuno-reactivity and generalized tissue damage, especially of the liver, and (2) that when the cancer is destroyed, toxic degradation products appear in ... | 751,079 | [
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0.2932702,
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Studies on homosynaptic (posttetanic) potentiation: a cholinergic modulator of presynaptic origin. | Effects of soluble proteins (peptides, glycopeptides) extracted from presynaptic cholinergic vesicles of both rat brain and electric organ of Torpedo marmorata on postsynaptic spike generation were studied. The extracts potentiated postsynaptic effects of both endogenous and exogenous acetylcholine and had properties t... | 751,083 | [
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The clinical value of digoxin in patients with heart failure and sinus rhythm. | Six patients in sinus rhythm with congestive heart failure due to either myocardial infarction or cardiomyopathy, were given oral frusemide to eliminate oedema. Symptomatic relief occurred as body weight was reduced, and after a 'dry' basal weight had been achieved, progressive-load exercise testing was done to examine... | 751,085 | [
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[The IgA myeloma, personal contribution and review of the literature (author's transl)]. | After reporting the most important differences between the IgA and IgG myeloma and between the two varieties on the IgA myeloma, the A. relate one uncommon case of IgA myeloma, with an alpha2-electrophoretic migration, a considerable increase of the myelomatosis paraprotein and an increase of the seric viscosithy, with... | 751,100 | [
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[Problems of methodology when studying the relationship between EEG and behaviour: use of the technique of sedation threshold to sodium amytal (author's transl)]. | The objective of the study was to clarify the relations between EEG activity and behaviour using the technique of the sedation threshold to sodium amytal. Our results show that there is no parellelism between the EEG and behavioural thresholds, more especially because, in male subjects, there is resistance to falling a... | 751,119 | [
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Angiostrongyliasis in Indonesia: additional geographic and host occurrence records. | Geographical and host occurrence records for Angiostrongylus cantonensis throughout the Indonesian archipelago a;e reported. A. cantonensis was found in the following provinces: West Sumatra, South Sumatra, Lampung, West Java, Central Java, North Sulawesi and East Nusa Tenggara. Infections were diagnosed in the followi... | 751,218 | [
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[Septicemia secondary to an infected pacemaker system: removal of the endocardial lead with the aid of extracorporeal circulation (author's transl)]. | Right ventriculotomy with extracorporeal circulation was used for removal of an infected transvenous pacemaker electrode which was firmly attached to the myocardium in a patient with septicemia. Alternative methods and suggestions to prohibit electrode incarceration are discussed. | 751,279 | [
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[Correction of left coronary artery to pulmonary artery fistula on the occasion of pulmonary embolectomy (author's transl)]. | In a 42 year old woman a left coronary artery to pulmonary artery fistula was proved by catheterization and coronary angiography. During this investigations a right femoral hernia became symptomatic, and surgical correction was carried out. Three days postoperatively a massive pulmonary embolism occurred causing shock ... | 751,284 | [
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[Somatic contacts in the superior cervical ganglion and the carotid body of the rat]. | Unusual contacts could be found in the Superior Cervical Ganglion in the Carotid Corpuscle of the white rat (Wistar) close to the Classical Synapses.--Somato-somatic synapses. In the Carotid Corpuscle they have granulated vesicles and post synaptic membrane more or less differentiated.--Recurrent synapses in the Caroti... | 751,344 | [
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Development of tolerance to morphine and pethidine in rats in dependence on age. | The development of tolerance to the analgesic effect of morphine (10 mg/kg.i.p.) and to pethidine 40 mg)/kg i.p.), given every 3 hours 13 times in succession or every 6 or 24 hours 7 times in succession, was studied in rats of different age groups (21 days, 42 days, 3 months and 18 months old). Pain threshold was deter... | 751,425 | [
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... |
Role of intracellular calcium in the phasic and tonic contractions of stomach smooth muscles. | The double sucrose gap is used to study the role of Ca-ions in the electromechanical coupling in the phasic and tonic contractions in the different parts of cat stomach. Extracellular Ca2+ is of primary importance in the activation of the tonic contractions. The regulation of the muscle tone under the action of externa... | 751,447 | [
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Discharge frequency of the motor units in human muscles under different stationary isometric tension, investigated by a new method. | A new method has been worked out for selective recording of the impulses of individual MU under high muscular efforts. It is suggested to use the EMG derivatives (the differentiated EMG-DEMG and the double differentiated EMG-DDEMG and possibly the higher derivatives). It was demonstrated that at different stationary is... | 751,450 | [
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Cu2+-effects on mitochondrial resistance to sodium deoxycholate. | The effect of the preincubation of mitochondria with different doses of Cu2+ on the action of sodium deoxycholate (DOC) was studied. The amount of protein released from mitochondria upon their treatment with Cu2+ as an indice for the intactness of mitochondria was studied, too. On the account of Cu2+-influence on the l... | 751,453 | [
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... |
[Scintigraphy with Technetium 99. Picture of hot nodule on cancerous nodule (author's transl)]. | The authors explain a new case of discordance between scintigraphy with Technetium 99 and Iodin 131. Medullary carninoma with appearance of hot nodule with Technetium and cold with Iodin. | 751,565 | [
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... |
[Light and electron microscopic studies of the greater epithelial ridge and its relationship to the developing tectorial membrane in the cochlear duct of the guinea pig (author's transl)]. | In early stages of fetal development (36th day, 3rd turn) the thickening of the epithelium at the basal side of the cochlear duct forms two ridges. Later in fetal development the laterally situated lesser epithelial ridge forms the major part of the organ of Corti, whereas the medially situated greater epithelial ridge... | 751,617 | [
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A technique for glottic reconstruction following vertical partial laryngectomy. | In order to obtain a good phonatory function by glottic reconstruction following vertical partial laryngectomy, the following basic conditions should be satisfied: (1) adequate glottic closure should occur during phonation; (2) the top of the bulge constructed on the operated side should be located at the level of the ... | 751,637 | [
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Identification and properties of UDP-glucose: cyanidin-3-O-glucosyltransferase isolated from petals of the red campion (Silene dioica). | An enzyme catalyzing the transfer of the glucosyl moiety of UDP-glucose to the 3-hydroxyl group of cyanidin has been demonstrated in petal extracts of Silene dioica mutants with cyanidin-3-O-glucoside in the petals. This transferase activity was also present in young rosette leaves and calyces of these plants. The high... | 751,640 | [
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Acetylation of sulfamethazine in a Nigerian population. | Sulfamethazine (syn, sulfadimidine) is inactivated by conversion to its N-acetyl derivative. Individuals are phenotyped as either "rapid" or "slow" acetylators. We have tested the validity of this theory in a Nigerian population. The frequency distribution histograms of the percentage acetylsulfamethazine in urine and ... | 751,642 | [
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Xanthommatin biosynthesis in wild-type and mutant strains of the Australian sheep blowfly Lucilia cuprina. | The synthesis of eye pigments has been studied in the seven eye color mutants of the Australian sheep blowfly, Lucilia cuprina. Six appears to be affected primarily in the synthesis of xanthommatin. In wild type, the onset of xanthommatin biosynthesis occurs midway through metamorphosis. Developmental patterns of accum... | 751,645 | [
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The proteins of the lung alveolar lining. | The protein composition of the lung washing has been analysed by immunochemical methods: it has been possible to demonstrate the presence of many proteins, mainly albumin, immunoglobulins and beta-globulins, some of them seem laying in the alveolar lining and having the function of stabilizing the surfactant system. | 751,677 | [
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Anomalous origin of the right coronary artery above the left sinus of Valsalva. | Various anomalies of coronary arterial origin have been described. These anatomical variations are discovered either by coronary angiography or at autopsy. We are reporting a case of anomalous origin of the right coronary artery above the left sinus of Valsalva. To our knowledge, this anomaly has not been described bef... | 751,732 | [
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Development of a tubular apparatus in chloroplasts of ageing Cyphomandra leaves. | Ultrastructural studies of chloroplasts from leaves of the solanaceous genus Cyphomandra during maturation and early senescence showed unusual activities of the inner chloroplast membrane. Before leaf maturity, released small vesicles and saccules. During continued development these structures apparently produced narro... | 751,783 | [
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Insulin delivery rate in response to glucose infusion in normal and diabetic subjects. | The insulin delivery rates were estimated in 8 normal and 8 diabetic subjects from the results of peripheral insulin response to a single bolus iv injection of glucose, taking account of fractionally removed insulin. The delivered insulin response to 0.5 g/Kg body weight of glucose injection was biphasic in normal and ... | 751,797 | [
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Power relationships in families: a social-exchange perspective. | Although researchers have investigated power relationships in families for twenty-five years, conclusions about normative family power patterns have been inconsistent and contradictory. Comparisons across studies have been difficult owing to different definitions of the construct, multiple methodologies, and inconsiste... | 751,812 | [
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Relabeling and reframing reconsidered: the beneficial effects of a pathological label. | Traditional labeling theory usually contends that pathological labels contribute to pathology and benign labels help alleviate it. However, it is likely that the role of pathological labels as the cause of pathology has been overstated and overgeneralized. Family therapists have probably overused the practice of substi... | 751,814 | [
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Turner's syndrome: index case after 44 years (a tribute to Dr. Henry H. Turner). | Forty-four years after Dr. Henry Turner's original observations, the index case of Turner's syndrome was re-examined. Mild hypertension and sensorineural deafness were found in addition to the classic somatic changes of gonadal dysgenesis. Buccal smear examination and chromosome analysis, previously not performed, reve... | 752,018 | [
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Sex variations in free fatty acids and ketones during fasting: evidence for a role of glucagon. | Women differ markedly from men in their metabolic response to caloric deprivation. To determine if these differences could be attributed solely to changes in insulin concentration, a group of 8 women was matched with a group of 7 men so that the mean fall in serum insulin during a 72-h fast did not differ between the g... | 752,030 | [
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Effect of atropine on meal-stimulated gastrin and gastric inhibitory polypeptide (GIP) release. | The effect of atropine on meal-stimulated gastric inhibitory polypeptide (GIP) and gastrin release was studied in 5 purebred foxhounds and compared with control studies done in the same animals given a meal without atropine, peak incremental serum gastrin occurred between 5 and 15 min after the meal whereas the greates... | 752,033 | [
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Cognitive egocentrism in institutionalized adult males. | Spatial egocentrism and its relationships to discrimination ability and communicative egocentrism were investigated in a sample of 80 adult males from a single institutional setting. The participants ranged in age from 33 to 83 years. As predicted, no significant age differences were obtained on any of the three depend... | 752,044 | [
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Retirement choice and retirement satisfaction. | Retirees from major corporations who reported they retired voluntarily were compared with nonvoluntary retirees to determine the individual factors that led to a voluntary or nonvoluntary decision to retire and the impact of that voluntary/nonvoluntary decision on retirement attitudes and satisfaction. Seven firms prov... | 752,048 | [
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Aging and the right to terminate medical treatment. | Belief in the right of patient and/or family to terminate medical care in the case of irreversible terminal illness is analyzed by age level, education, health, and attitudes to patient rights in general. The issue of terminating treatment has become important as the result of new technologies which permit continuance ... | 752,049 | [
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Identification of active cell in potassium transporting epithelium. | Epithelial ion transport regulates the environment of cells and modulates the environment inside them, making possible the evolution of eukaryotic organisms. Analysis of the transport process requires that the route taken by ions as they are actively transported across epithelia be known. The route can be determined by... | 752,058 | [
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Decreased locomotor and investigatory exploration after denervation of catecholamine terminal fields in the forebrain of rats. | 1. Pressures on the right and left sides of the tails of swimming bluefish were measured and found to have a range of +5.9 to -5.9 cm H2O. The pressures were resolved into their forward and lateral vectorial components of force to allow calculation of forward and lateral force and power at speeds ranging from 0.26 to 0... | 752,062 | [
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The peroneal muscular atrophy syndrome: clinical, genetic, electrophysiological and nerve biopsy studies. I. Clinical, genetic and electrophysiological findings and classification. | 1. A clinical, genetic, electrophysiological and nerve biopsy study of 49 index cases with peroneal muscular atrophy is reported. 2. In dominantly inherited cases, motor conduction velocities of the upper limbs within kinships indicated segregation into five groups which we have termed: a) hypertrophic neuropathy (less... | 752,065 | [
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[Onycho-osteo-dysplasia (in connection with two familial observations) (author's transl)]. | The authors report on two familial observations of hereditary onycho-osteo-dysplasia and review the principal characteristics of this syndrome. Only one of the three reported cases presented the classical dysplastic tetrad. The other two suffered only from three associated anomalies (absence of elbow dysplasia). No ren... | 752,069 | [
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The future of veterinary services in the Republic of South Africa. | Future developments will depend mainly on new information generated by research and on effective application of preventive medicine. In the latter case, the various diagnostic centres in South Africa will have to be developed to their full extent, leading to the drawing up of computerised disease profiles and monitorin... | 752,076 | [
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Cube colic. | "Cube colic" is described and vain attempts to cause the problem on an experimental basis are recorded. It is concluded that not all horses are susceptible to cube colic and if colic occurs in horses being fed on cubes, it is not necessarily due to feeding of cubes. Nomenclature of bowel disorders is considered. | 752,079 | [
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... |
Fatal ovine nephrosis caused by Anagallis arvensis L. | Cases of acute mortality in sheep, characterised by severe nephrosis and resultant uraemia, were investigated on two farms 150 km apart in the Winter Rainfall area of the Republic of South Africa. This condition was experimentally reproduced by dosing sheep with Anagallis arvensis L plants. The most consipicious lesion... | 752,080 | [
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Evolution of a genetic code simulated with the computer. | A simple selforganizing model system of molecules is considered and it is demonstrated by a computer simulation, that a genetic code of 16 elements (aminoacids) can gradually be formed by such a system in the course of many generations. By a number of rare chance events, each suppressing other events of equal a priori ... | 752,134 | [
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0.1088668,
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0.2130181,
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[Disseminated intravascular coagulation (D.I.C.) and fibrinolysis in patients with acute leukemia (author's transl)]. | Biological symptoms of D.I.C. were investigated in 43 patients with acute leukemia. Ten of them were found to be positive either at the onset or at the relapse of the disease and in some cases D.I.C. was triggered by chemotherapy. Among the ten positive cases 3 patients had an acute promyelocytic leukemia, 4 had an acu... | 752,151 | [
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... |
Verbal characteristics of male and female transsexuals. | Slater's Selective Vocabulary Test was given to a group of 56 male and a group of 14 female transsexuals and the results were compared with those of 15-year-old boys and girls, and a group of normal male adults. It was found that whereas normal males and females have a ratio of gender appropriate words to cross gender ... | 752,167 | [
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... |
[Use of ferritin conjugates of a lectin from mistletoe (Viscum album L.) for the electron microscopic localization of cell surface receptors]. | Ferritin conjugates of a lectin from mistletoe (Viscum album L.) were used for the electron-microscopic demonstration of carbohydrate receptors on the cell surface of human erythrocytes and murine tumor cells. Human A1 erythrocytes showed only a slight focal binding of ferritin. Cells of the mouse ascites tumor strain ... | 752,206 | [
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... |
Interrelations between plasma renin activity, aldosterone, and sympathetic nervous system activity in essential hypertension. | Interrelations were investigated between plasma renin activity (PRA), dopamine-beta-hydroxylase activity (DBH), plasma aldosterone (PA), plasma cortisol (PC) and plasma sodium concentration (PNa) in renal vein blood of essential hypertension patients in recumbent position. The patients were divided in compliance with t... | 752,207 | [
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... |
[Effect of progesterone and phenylbutazone on bile flow and bile acid excretion in male Wistar rats]. | Bile flow and excretion of monohydroxy-, dihydroxy- and trihydroxy bile acids (MBA, DBA and TBA) were estimated after acute and subacute progesterone and phenylbutazone pretreatment in adult male Wistar rats in three one-hour periods. Different pretreatment with sunflower oil did not influence bile flow and excretion o... | 752,214 | [
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Cellophane maculopathy: a case report. | Cellophane maculopathy is a fairly common entity frequently overlooked as a possible explanation for decreased visual acuity. A case report is presented to show how this entity presents itself clinically and what procedures are performed to establish the diagnosis. | 752,268 | [
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0.03117364,
0.1286... |
Acute traumatic hemothorax. | Over the past 5 years, 107 patients have been evaluated for acute traumatic hemothorax at the University of Kentucky Medical Center. Immediate tube thoracostomy was performed on 90 patients for evacuation of blood and air. Only 2 patients died. Thoracotomy was performed as part of the initial therapy in 9 patients. Tho... | 752,290 | [
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0.2996636,
0.03059336,
0.1274... |
Separation of mouse bone marrow cells using wheat germ agglutinin affinity chromatographyy. | Mouse bone marrow cells were fractionated on columns of wheat germ agglutinin-Sepharose 6MB (WGA-Sepharose) and conditions established for specific binding and cell enrichment in the eluted fractions. A small proportion (7%) of the cells applied did not bind to the column and 60% of these were lymphocyte-like cells. Tw... | 752,308 | [
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0.4204553,
0.5224988,
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0.2... |
Purification and properties of beta-xylosidase from Penicillium wortmanni. | A purification method for an extracellular beta-D-xyloside xylohydrolase, EC 3.2.1.37) induced in Penicillium wortmanni is described. It includes diafiltration, acetone precipitation, and hydroxylapatite chromatography. The enzyme has a molecular weight of about 100,000. Its pH optimum is at pH 3.3--4.0 and it is most ... | 752,411 | [
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0.1348428,
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0.2705964,
0.5302732,
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Vagal stabilization of the ischemic canine ventricle. | To determine whether vagal activity during myocardial ischemia functions to stabilize the heart, the left anterior descending coronary artery in dogs was occluded for periods of 3 1/2 minutes with and without concurrent vagal stimulation. Bipolar electrograms were measured from the surface of the canine left ventricle ... | 752,431 | [
0.1877561,
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Alteration of human serum ribonuclease activity in malignancy. | A review of the literature and current biochemical studies is presented which provides significant evidence of alteration in the level of the enzyme ribonuclease activity in cancer. Current studies reveal that 80% of all cancer patients have alteration in ribonuclease activity and that individuals known to be at high r... | 752,446 | [
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0.1073796,
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0.21... |
The use and limitations of chiasma scoring with reference to human genetic mapping. | Human chiasma data are summarized, and some preliminary new observations in fetal oocytes are presented. Male chiasma data may give reliable estimates of genetic lengths, both for individual chromosome arms and for the total autosomal complement. Female data are as yet less accurate and give information according to ch... | 752,505 | [
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0.07075978,
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[Haemochron--a simple method of monitoring heparin level during extracorporeal circulation]. | Tow forms of heparin management during cardiopulmonary bypass were compared in order to analyze the role of the heparin level in relation to postoperative blood loss. The study was divided in three groups: In group I, the control group, 3 mg/kg body weight heparin was given as an initial dose and maintained at a dose o... | 752,575 | [
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0.2270413,
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0.6529538,
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0.1192469,
... |
[Diagnosis of malignant processes of the colon and rectum using a new method for the demonstration of sensitized lymphocytes (PAL-test)]. | Peripheral blood lymphocytes of 45 patients with colon-rectum disease and 30 healthy controls were tested in a simple rapid microagglutination test (PAL test) for cancer diagnosis. In 30 cancer patients 28 positive reactions were obtained. All healthy controls were negative. The 15 patients with benign or premalignant ... | 752,589 | [
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0.1148596,
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0.2597533,
0.4821072,
0.06236759,
-0.01448952,
0.0628... |
[In vitro culture system for the characterization of growth potential of cartilage transplants]. | In order to find reliable criteria for determining the prognosis of transplanted cartilage, the quality of isolated rabbit chondrocytes was assayed in vitro. A culture system of semisolid medium was able to detect colony-forming units of chondrocytes. Also their proliferative and differentiating capacity could be inves... | 752,596 | [
0.1119942,
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0.01022787,
0.149313,
0.06373514,
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0.3914475,
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0.4954554,
0.833466,
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-0.09448165,
... |
[Significance of the hemodynamics for the extent of the rejection. Comparison of immunological reactions in artery transplantation in high pressure and vein transplantation in low pressure systems in matching inbred rat strain combinations]. | Systemic sensitization is induced by arterial transplants in the high pressure system and by venous transplants in the low pressure system. In aorta transplantation the severity of the rejection corresponds directly to the immunogenetic differences between donor and recipient; the efferent limb is triggered into action... | 752,602 | [
0.1999967,
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0.0281668,
0.4506452,
0.2544773,
0.2361647,
0.06400242,... |
Characterization of relaxin radioimmunoassay using Bolton-Hunter reagent. First results in plasma during pregnancy, and in placenta, corpora lutea and ovarian cysts in woman. | Application of a porcine relaxin radioimmunoassay system using Bolton and Hunter reagent was characterized in different biological fluids. In pregnant woman, plasma reveals concentrations from undetectable values to 1,800 pg/ml. Maximal concentrations are found between the 8th and the 13th weeks of pregnancy. These pea... | 752,644 | [
0.174815,
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0.128822,
0.2915556,
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0.1930724,
0.3302889,
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0.18177... |
[Conformational transitions in adsorbed macromolecules with secondary structure]. | An analytical theory is presented taking into account the effects of the flat adsorbing surface on the equilibrium properties of the long single-stranded macromolecule possessing a secondary structure. Change of the secondary structure is described in terms of Zimm--Bragg theory; adsorbtion properties are calculated fo... | 752,784 | [
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0... |
[Simple procedure for the isolation of animal mitochondrial deoxyribonucleic acid]. | A simple procedure for the isolation of animal mitochondrial DNA is described. It includes deproteinization of mitochondrial lysates with phenol, precipitation of total nucleic acids with polyethylene glycol, RNA precipitation by saet and final purification of DNA using gel chromatography on a Sepharose 4B column. MtDN... | 752,786 | [
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-0.1464322,
0.1848387,
0.4212043,
-0.3067492,
-0.4013726,
... |
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