title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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[Luteolytic action of LHRH in women]. | Several subcutaneous administrations of 250 microgram of LHRH (4 or 5 adminstrations at 4-hourly intervals per day) between the 2nd and 7th day post-ovulation in 4 normal women led to early luteolysis as demonstrated by a fall in serum progesterone concentration and early onset (2 to 3 days earlier) of menstruation. | 95,893 | [
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[Primary asymmetry in the distribution of primordial germ cells during colonization of gonadal buds in chick embryo]. | Analysis of the numerical data obtained from a population of 529 chick embryos, selected according to their stage of development, shows that the primary distribution of PGC is asymmetric with a bias towards the left side. The kinetics of the colonisation process are in conformity with the law of logistic growth: the nu... | 95,895 | [
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[Host-parasite relation between Carcinus mediterraneus and Sacculina carcini; immunochemical analysis and demonstration of antisacculin precipitin]. | The hemolymph from both healthy and parasitised Carcinus mediterraneus are immunochemically analysed. The study confirms the presence in the blood of the infested Crab of a supplementary fraction which was already observed by electrophorsis. Moreover, some infested Crabs develop an anti sacculin precipitin reaction, no... | 95,905 | [
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Isolation of fibrin(ogen) degradation products from normal plasma by affinity chromatographic study. | An attempt was made to develop a method to isolate directly the fibrinogenfibrin (FDP and/or fdp) degradation products from plasma by means of small chromatographic columns of activated Sepharose 4-B coupled with antifibrinogen serum. The study of the material adsorbed was performed by polyacrylamide gel electrophoresi... | 95,911 | [
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[Preparations of human dopamine beta hydroxylase subunits and antibodies against these subunits (author's transl)]. | The present study deals with the dissociation of human dopamine beta hydroxylase (DBH) in subunits with a mol. wt of 79,500, and the preparation of specific antibodies in rabbits. No cross-reactivity was observed between human DBH and antibodies against human DBH subunits. | 95,969 | [
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[Transplantation of isolated islands of Langerhans for the treatment of diabetes mellitus]. | The historical development of research on islets transplantation is briefly reviewed followed by a description of a technique using Ficoll gradient separation to obtain islets of Langerhans from the rat pancreas. It was possible to increase the number of islets obtained with this procedure by modifying it in several wa... | 96,000 | [
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Teamwork eases long-term care admissions. | The teamwork approach to admitting new residents used at St. Joseph Home of Chicago, Inc., is based on the philosophy that proper admission of new residents can help lessen the apprehensions as elderly people open the "forbidding" door to a long-term care facility. The team approach begins before an applicant is accept... | 96,005 | [
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Further studies of immunoglobulin synthesis by guinea pig leukaemic lymphocytes. | The L2C leukaemia is a B-lymphocytic neoplasm of strain 2 guinea-pigs, maintained by passaging in vivo. It synthesizes mu and lambda immunoglobulin chains. These combines to form monomeric (7S) IgM molecules which are inserted into the plasma membranes. From here they are shed as monomeric IgM and as a species of highe... | 96,010 | [
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Identification of antibiotics of iturin group in various strains of Bacillus subtilis. | Thirty eight strains of B. subtilis were tested for the presence of antifungal antibiotics of the iturin group. The characterization of these antibiotics was made on the basis of: antifungal activity against P. chrysogenum, isolation and purification of the active substance, quantitative analysis of alpha-aminoacids an... | 96,084 | [
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Molybdenum independence of nitrogenase component synthesis in the non-heterocystous cyanobacterium Plectonema. | The cyanobacterium Plectonema boryanum (IU 594-UTEX 594) fixes N2 only in the absence of combined N and of O2. We induced nitrogenase by transfer to anaerobic N-free medium and studied the effect of Mo starvation on nitrogenase activity and synthesis. Activity was first detected within 3 h after transfer by the acetyle... | 96,092 | [
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Erythrocyte entry by malarial parasites. A moving junction between erythrocyte and parasite. | Invasion of erythrocytes by merozoites of the monkey malaria, Plasmodium knowlesi, was investigated by electron microscopy. The apical end of the merozoite makes initial contact with the erythrocyte, creating a small depression in the erythrocyte membrane. The area of the erythrocyte membrane to which the merozoite is ... | 96,121 | [
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Parathyroid hormone responses to catecholamines and to changes of extracellular calcium in cows. | Modifications of the plasma level of immunoreactive parathyroid hormone (PTH) in cattle were induced by changes of the plasma concentrations of epinephrine, isoproterenol, or calcium. During abrupt hypocalcemia, PTH, obtained by infusions with ethylene glycol-bis (beta-aminoethylether) N, N'-tetraacetate (EGTA), increa... | 96,135 | [
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Immunoglobulin secretion by human splenic lymphocytes in vitro: the effects of antibodies to IgM and IgD. | The effects of F(ab')2 fragments of affinity-purified rabbit anti-human mu chain antibody (RaHmu) and rabbit anti-human delta chain antibody (RaHdelta) on spontaneous and mitogen-stimulated immunoglobulin (Ig) secretion by normal human spleen cells were studied. IgM and IgG secretion by human spleen cells cultured in v... | 96,179 | [
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Gradients of proliferation of ciliary basal bodies and the determination of the position of the oral primordium in Tetrahymena. | The pattern of proliferation of new basal bodies in ciliary rows (somatic proliferation) in Tetrahymena was observed. Starved and refed cells were used, because proliferation in these cells is more pronounced than that under other circumstances. The formation of new basal bodies is locally determined by the position of... | 96,207 | [
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Properties of chloride-stimulated 45Ca flux in skinned muscle fibers. | Isometric force and 45Ca loss from fiber to bath were measured simultaneously in skinned fibers from frog muscle at 19 degrees C. In unstimulated fibers, 45Ca efflux from the sarcoplasmic reticulum (SR) was very slow, with little or no dependence on EGTA (0.1-5 mM) or Mg++ (20 micrometer-1.3 mM). Stimulation by high [C... | 96,211 | [
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Evidence that the transmission of one source of scrapie agent to hamsters involves separation of agent strains from a mixture. | A previous paper (Kimberlin & Walker, 1977) described an experimental model of scrapie in hamsters in which the incubation period decreased progressively over the first 4 passages before becoming stable at the 5th and subsequent passes. Studies have been made of some of the agent strains present in brains taken fro... | 96,212 | [
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Polyanomalodontia. | Reported is a case of multiple anomalies in dental morphology. The morphological anomalies comprised macrodontia, multituberculism, invaginations, and single conical molar roots. The gross morphological, radiological, histological and ultrastructural findings are presented and compared to similar forms of multiple anom... | 96,234 | [
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Photic and pentylenetetrazol-induced seizure susceptibility in Macaca mulatta. | Ninety-five out of 100 male Macaca mulatta of varying ages from a restricted habitat in N. India showed no abnormal seizure susceptibility or EEG response to photic stimulation and no electro-clinical features of epilepsy after pentylenetetrazol, 40 mg/kg sc.c. Autopsy studies on the remaining five monkeys with increas... | 96,259 | [
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Comparative metabolism of the amphetamine drugs of dependence in man and monkeys. | The use of animal models to study drug dependence and tolerance requires that the species used metabolizes the drugs like man, a condition frequently not fulfilled by non-primate species. The metabolic fate of several amphetamine drugs, namely amphetamine, norephedrine, chlorphentermine and phenmetrazine, in the rhesus... | 96,262 | [
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Closed needle liver biopsy for assessment of monooxygenase activity in rhesus monkeys (Macaca mulatta). | Closed needle liver biopsy routinely provides 60-100 mg tissue from rhesus monkeys (Macaca mulatta). No mortality or morbidity was observed in over 400 needle biopsies during a two-year period in which some monkeys were biopsied over 30 times. Biopsy tissue was used as enzyme source in low-volume in vitro systems for m... | 96,263 | [
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The pyramidal system of the cat and of the monkey: neurophysiologic aspects of phylogenetic advancement. | The pyramidal motor system underwent dramatic phylogenetic developments. Ethologically, this has found expression in higher capacities for accurate movements. An hypothesis and supporting data are offered that this depends on the advancement in the higher species of a system based on the attainment of higher accuracy b... | 96,264 | [
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Continuous cultivation in a chemostat of the phototrophic procaryote, Anacystis nidulans, under nitrogen-limiting conditions. | Anacystis nidulans was grown photoautotrophically in a chemostat in the presence of light, air and CO2 as the sole carbon source. Either the amount of the nitrogen source in the medium or light intensity were used as growth-limiting parameters. 1. Cells of high glycogen content obtained by pre-incubation under nitrogen... | 96,328 | [
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[Anesthesiological problems in maxillo-facial surgical interventions and reconstructive plastic surgery]. | 11 years of anaesthesiological experience in maxillofacial and reconstructive plastic surgery (1-4-1966/1-4-1977) are reviewed. The problems connected with these operations are examined. On the basis of localizations, types of operation and surgical requirements, the problems of greatest importance in these branches of... | 96,327 | [
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The treatment of bacterial endophthalmitis. | Restoration of good visual acuity following bacterial endophthalmitis is dependent on prompt diagnosis, immediate treatment, proper selection of antibiotics, high-dose parenteral and periocular antibiotic therapy, and systemic and periocular corticosteroids. Antibiotic selection should be based on the statistical incid... | 96,405 | [
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Prolonged apnea in infant monkeys resulting from stimulation of superior laryngeal nerve. | We measured characteristics of apnea resulting from electrical stimulation of the superior laryngeal nerve (SLN) in 28 anesthetized infant monkeys ranging from a gestational age of 141 days to 49 days postterm and in four adult monkeys. Progressive reduction in ventilation accompanied weak suprathreshold SLN stimulatio... | 96,414 | [
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[Diagnosis of malignant neoplasms by studying the changes in the concentration of fetal hemoglobin, hemoglobin A2 and carbonic anhydrases B and C. An application of discriminating function]. | This publication proposes the utilization of an analytical discriminatory method in the diagnosis of malignant neoplasia. The multiple variable technique of analysis is suggested employing the quantification of the HbF, HbA2, AcB and AcC. This has already been demonstrated in a previous study which suffered from quanti... | 96,435 | [
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The effects of methylphenidate on repeated acquisition of serial discrimination reversals. | Rats were trained to bar-press for sucrose solution in the presence of one of two stimulus conditions. On each daily training session, the stimulus during which bar-pressing was reinforced was reversed. The subjects were trained in this Serial Discrimination Reversal procedure until successive acquisitions of the discr... | 96,462 | [
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Effects of ethanol on pregnant rats and their offspring. | Pregnant rats were intubated with either 1.0 or 2.0 g/kg of ethanol daily throughout gestation. Pair-fed vehicle-treated, and nontreated rats fed ad libitum, served as control groups for ethanol-treated animals. Ethanol treatment reduced food and water consumption and attenuated the gain in body weight of pregnant anim... | 96,469 | [
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-0.001361317,
-0.315852,
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0.1059142,
0.1954912,
-0.0457457... |
Dopamine metabolites in human brain. | The relationship of human brain levels of 3,4-dihydroxyphenylacetic acid (DOPAC) to cerebrospinal fluid levels of this domapine (DA) metabolite was studied. The effect of postmortem delay was evaluated in the rat. DOPAC was resistant to postmortem changes in brain kept in situ. The level of DOPAC (free and conjugated) ... | 96,472 | [
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... |
A comparison of the effects of 50 MeVd leads to be neutron and cobalt-60 irradiation of the kidneys of rhesus monkeys. | Twenty rhesus monkeys had one kidney irradiated (after undergoing unilateral nephrectomies) with one of four doses: 960 or 1080 rads of 50 MeVd leads to Be neutrons, or 2350 or 2700 rads of 60Co. Whereas animals treated with the lower dose of neutrons or 60Co are alive with relatively normal renal function, those treat... | 96,490 | [
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Decreased smooth muscle side effects with 16, 16-dimethyl-trans-delta2-PGE1 methyl ester in Japanese monkey (Macaca Fuscata Fuscata). | The smooth muscle stimulating activity of a new PGE1 analog, 16, 16-dimethyl- trans delta2 -PGE1 methyl ester (ONO-802) was evaluated by simultaneously recording the EMG of the uterus and intestines, along with urinary bladder pressure, and blood pressure in pregnant and non-pregnant Japanese monkeys (Macaca fuscata fu... | 96,494 | [
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... |
Thermorestoration of mutagenic radiation damage in bacterial spores. | The frequency of mutations in Bacillus subtilis spores irradiated anoxically with ionizing radiation decreased as a result of subsequent anoxic heating to the same extent as the increase in spore survival. This result indicates that DNA damage is the origin of the "thermorestoration" phenomenon. | 96,526 | [
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Admission screening for hepatitis B surface antigen in a university hospital. | Upon admission to the hospital, 7,984 patients were tested for hepatitis B surface antigen (HBsAg) by radioimmunoassay. Seventy-one patients had sera positive for HBsAg. Twenty-four (34%) were possible asymptomatic carriers in whom liver function was not further evaluated and occult liver disease could not be excluded:... | 96,534 | [
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Enostosis of the spine. | Five patients with single sclerotic vertebral body lesions had serial radiographs demonstrating no change in size of the radiodensities. Radionuclide bone imaging, obtained in 4 of these patients, showed no increased radioisotopic uptake in the areas in question. The absence of growth of the lesions on follow-up radiog... | 96,538 | [
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Hemolysis induced by cefazolin and cephalothin in a patient with penicillin sensitivity. | A patient with penicillin sensitivity, who had never received a cephalosporin antibiotic previously, developed anemia and spherocytosis following the administration of cefazolin. Hemolysis abated when the drug was discontinued on the fourth day, and recurred on day six when cephalothin therapy was begun. IgG and comple... | 96,555 | [
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Seminal vesicles as organs of sperm storage. | This study was done to determine whether or not the seminal vesicles store spermatozoa. Half of the nonhuman primates' vesicles had sperm at autopsy as did one of the men dying a traumatic death. Seminal vesicle sperm storage may be the reason for continued spermatozoa in the ejaculates of men after vasectomy. | 96,560 | [
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[Diagnosis of Bacillus larvae --the causative agent of American foulbrood]. | The authoress studied the growth of Bacillus larvae on different nutrient media and its ability of decomposing hydrogen peroxide and reducing nitrates. There are also instructions for rapid cultivation and biochemical diagnosis of Bacillus larvae. It can be performed in any microbiological laboratory, the culture mediu... | 96,567 | [
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[Study of the spiral and spindle-shaped formations in cultures of Bacillus larvae (White 1906) causing foulbrood in bees]. | The authors have been studying the bacterial diseases of the brood for a fairly long time. American and European foul brood has been studied with the highest attention. Cultures of Bacillus larvae (White, 1906) were examined both in freshly isolated strains and in collection strains of this micro-organism. In cases of ... | 96,576 | [
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... |
Acute eosinophilic leukemia. An ultrastructural study. | Observations on a 32 year old male are described. Hematological examination demonstrated leukocytosis with circulating blastosis and dystrophic hypereosinophilia of the blood and bone marrow, with cells at various stages of maturation. Cytotoxic chemotherapy led to complete remission for 5 months followed by a terminal... | 96,582 | [
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[Nitrogen-containing fractions of Soviet hydrolysates for parenteral feeding]. | The content of free amino acids, non-precipitable and precipitable trichloro-acetic acid peptides in Soviet-made hydrolysates for parenteral alimentation was determined. As shown, it is aminopeptide and aminosol that contain the greatest amounts of amino acids, fibrinosol and caseine hydrolysate carrying their least qu... | 96,598 | [
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... |
Anti-D immunoglobulin preparations: the stability of anti-D concentrations and the error of the assay of anti-D. | An analysis of the assay of 28 preparations of anti-D immunoglobulin using a radioisotope method carried out at 6-montly intervals for 2--4.5 years showed an average fall in anti-D concentration of 10.6% each year, with 99% confidence limits of 6.8--14.7%. The fall in anti-D concentration after storage at 37 degrees C ... | 96,601 | [
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[Nonspecific brain structures and specialization in the central nervous system]. | It has been demonstrated that corticofugal influences may exert selective control of single sensory signals which converge on the neurons of the striatum and other non-specific structures of the brain. This finding suggests that complex sensory image may be formed not by assembling separate elementary signals, but rath... | 96,631 | [
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0.1184417,
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... |
Contrasting effects of living in heterosexual pairs and mixed groups on the structure of social attraction in squirrel monkeys (Saimiri). | The structure of social attraction was assessed in pair- and group-living squirrel monkeys (Saimiri) using paired-comparison and single-stimulus preference tests. Effects of the social environment were most prominent in females. Females housed with a single male showed sharply increased attraction to like-sex strangers... | 96,707 | [
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Antibiotic susceptibility of clinical isolates of Listeria monocytogenes. | A broth microdilution method was used to measure the minimal inhibitory concentrations (MICs) of the antibiotics most often recommended for treatment of listeriosis. The MICs of ampicillin, penicillin, erythromycin, and tetracycline for 175 strains of Listeria monocytogenes were below the approximate MIC breakpoint for... | 96,737 | [
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Efficacy of penicillin G, cefazolin, and gentamicin in M-K medium at 4 degrees C. | Corneal-scleral shells are routinely stored in McCarey-Kaufman (M-K) medium at 4 degrees C. Antibiotics are added to the medium to suppress bacterial growth. We examined the antibacterial activity of penicillin G potassium, 100 microgram/ml, cefazolin sodium, 100 microgram/ml, and gentamicin sulfate, 20 microgram/ml ag... | 96,782 | [
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Chemotherapy for malignant melanoma: a brief review and personal experience. | Chemotherapy for melanoma can be divided into four types: (i) intralesional chemotherapy; (ii) systemic chemotherapy to prevent the development of anticipated metastases; (iii) therapy for established disease; and (iv) combined with immunotherapy. Apart from a few general rules, it is difficult to predict the response ... | 96,784 | [
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... |
Comparison of bacterial cardiotoxins: thermostable direct hemolysin from Vibrio parahaemolyticus, streptolysin O and hemolysin from Listeria monocytogenes. | Some properties of the bacterial cardiotoxins, thermostable direct hemolysin from Vibrio parahaemolyticus (vibriolysin), and streptolysin O and hemolysin from Listeria monocytogenes (listeriolysin), were compared. These toxins had rapid lethal effects on mice when injected intravenously. The electrocardiographic change... | 96,814 | [
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The oxidation of methionine and its effect of the properties of cardiotoxin VII1 from Naja melanoleuca venom. | Methionine residues 24 and 26 of cardiotoxin VII1 from Naja melanoleuca were oxidised to sulphoxides using N-chlorosuccinimide at pH 8.5. The number of equivalents of oxidant required for complete oxidation suggested that the methionine side-chains existed in a relatively "exposed" conformational state in cardiotoxin. ... | 96,866 | [
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Hydrogen metabolism in blue-green algae. | This manuscript reviews the literature on hydrogen metabolism in blue-green algae and reports some new data from this laboratory. H2-formation by intact cells is found to be catalyzed exclusively by nitrogenase. Its rate appears to be variable from strain to strain used byt is--in our hands--very small. Therefore, blue... | 96,876 | [
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Logistic problems of artificial nutrition. | The future of artificial nutrition, both enteral and parenteral, depends upon further simplification of the methods for preparation of nutritive mixtures, as well as, maintaining the motivation and special training of nursing teams with regard to problems of asepsis. The range of clinical and biological will research o... | 96,884 | [
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[Nature of changes in the level of steroid hormones and their precursors in peripheral blood of Papio monkeys under stress]. | The radioimmunological method was applied to determination of changes in the peripheral blood plasma level of 12 steroids in male Papio hamadryas under immobilization and surgical stress. Androgen content decreased, and the concentration of steroid hormone precursors and hydrocortisone blood plasma content rose in resp... | 96,885 | [
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[Physico-chemical properties of microbial antigens and the immuno-allergic tests]. | Experiments were conducted on guinea pigs sensitized by the delayed and immediate types of allergy. Different antigens obtained from the strain of Brucella abortus BA-19 were used for sensitization and the resolving action. Comparison of the resolving properties of the corpuscular, soluble (ultrasound treated) antigens... | 96,888 | [
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0.3844386,
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-0.11893,... |
[Radioimmunological aspects of neuropeptides]. | Immunological aspects of neurosecretory peptides are relevant to antibody generation, labelling of peptides for radioimmunoassays and in particular the metabolism of neuropeptides. Antibodies were generally produced by adsorption or polymerization (using different approaches and various coupling agents) of peptides wit... | 96,897 | [
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0.5070081,
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-0... |
San Miguel sea lion virus fed to mink and pigs. | Mink became infected with San Miguel sea lion virus when fed ground meat from seal carcasses showing vesicular-like lesions in the skin. The mink also contracted the infection when they were fed San Miguel sea lion virus infected pig meat or cell culture propagated virus. San Miguel sea lion virus infection in mink was... | 96,925 | [
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... |
Health service coverage and its evaluation. | Health service coverage is considered as a concept expressing the extent of interaction between the service and the people for whom it is intended, this interaction not being limited to a particular aspect of service provision but ranging over the whole process from resource allocation to achievement of the desired obj... | 96,953 | [
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0.2182862,
0.173358... |
[Effect of valinomycin on mitotic activity and ciliary movement during embryonic development]. | The K+ ionophore valinomycin very quickly arrests cleavage in sea urchin and mouse eggs at concentrations ranging between 10 and 3 micron. Development of Axolotl and Xenopus eggs is not arrested before the blastula or gastrula stage. The motility of sea urchin sperm, blastulae and gastrulae is suppressed, within a few ... | 96,956 | [
-0.2047189,
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... |
[Influence of a hot environmental temperature on the evolution of experimental paludism of the mouse with Plasmodium berghei berghei]. | Swiss Mice infected with Plasmodium berghei berghei and maintained in permanence in a hot environmental temperature undergo a chronic infection whereas controls maintained at the laboratory temperature develop always an acute and lethal infection. The hot environmental temperature does not seem to have any action on th... | 96,968 | [
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[Microfilarial observation of Dipetalonemia viteae using scanning electron microscopy]. | The integumental surface on the microfilaria of Dipetalonema viteae was studied by scanning electron microscopy (SEM) at 1,200 to 20,000 magnification. This first study only concerns microfilaria in the circulating blood of the Hamster. | 96,969 | [
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0.1287278,
... |
[Toxicity of Bacillus thuringienses var. israelensis for larvae of Aedes aegypti and Anopheles stephensi]. | The comparative study of the larvicidal action of B. thuringiensis var. israelensis on A. aegypti and A. stephensi shows the greater sensitivity of A. aegypti, with 100% of mortality in 30 to 40 min. at high doses. But, for both species of Mosquito, the toxicity of these bacteria is very high, as shown by the mortality... | 96,979 | [
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0.2658905,
0.298768,
0.04900996,
0.0153985... |
[In vivo continuous electrochemical determination of dopamine release in rat neostriatum]. | Polarographic micro-electrodes (carbon fiber, o. d. 8 micron) implanted in the Rat caudate nucleus, allowed a practically continuous in vivo monitoring (one measurement every 5 sec.) of the extra-cellular concentration of dopamine released by striatal dopaminergic terminals. Administration of amphetamine produced a rep... | 96,981 | [
-0.1394732,
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[Host-virus relationship during experimental spring viremia in carp]. | One-summer-old virus-free carps produce both circulating interferon and neutralizing antibodies when stored at +20 degrees C and injected intraperitonealy with 10(5), 10(6), 10(7) p. f. u. of Spring Viremia of Carp virus per fish: Kinetics and intensity of interferon production are maximum for the highest virus imput (... | 96,984 | [
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... |
[Functional study of the rat olfactory bulb by a 14C-2-deoxyglucose autoradiographic technic]. | The autoradiographic method has been used in the Rat to map active regions in the olfactory bulb after a pulse of 14C-2-deoxyglucose with electrical stimulation of the lateral olfactory tract. The highest optical densities were found at the external plexiform, mitral, internal plexiform and granular layers; the lowest ... | 96,988 | [
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0.1508361,
0.0... |
[Localization of biogenic amines in the central nervous system of Crepidula fornicata (Phil.), Mollusca, Gastropoda, Prosobrancha]. | Two categories of neurones at least can be demonstrated in Crepidula fornicata, some containing catecholamines (DA) others indolamines (5 HT). These cells, which are well localized, are often close to azanophilous neurosecretory cells but nevertheless distinct from the latter. | 96,991 | [
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0.3730747,
0.1501188,
0.07856753... |
[Localization of motoneurones of retractor bulbi muscles by retrograde transport of exogenous peroxidase in cats]. | Retrograde transport of exogene horseradish peroxidase has been used to localize the retractor bulbi muscle motoneurones. These motoneurones are located ventro-laterally in the tegmental reticular field; they are grouped in a rostro-caudal column above the superior olive. They correspond to the accessory nucleus of the... | 96,996 | [
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0.1... |
[Numerical variation of ciliated papillae in the miracidia of different strains of Schistosoma mansoni, the organism producing intestinal bilharzia]. | In the miracìdia of 13 strains of Schistosoma mansoni, silver impregnation points out variations in the number of ciliated papillae situated between tiers 2 and 3 of epidermal cells, correlative with the size of the miracidia. These variations are related to the intermediate and definitive hosts. The number of ciliated... | 96,997 | [
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0.09554271,
0.08288033... |
[Isolation of bacteria that use that use nitric oxide as a respiratory electron acceptor under anaerobiosis]. | Ten bacteria of the genus Bacillus were isolated from pasteurized soils, in anaerobiosis and at 32 degrees C, on peptone broth containing 0.5% KNO2. They are Gram variable rods producing oval spores. They are oxidase positive and have catalase. They grow, in anaerobiosis, on NO-3, NO-2, N2O, and NO as respiratory elect... | 97,003 | [
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0.... |
[The role of maternal parathyroids and vitamin D3 metabolites in fetal growth and the deposition of glycogen reserves in the maternal and fetal liver in rats]. | Thyro-parathyroidectomy of pregnant Rats at 12.5 days of gestation decreased maternal liver glycogen on 21.5 days of gestation and fetal weight as well as fetal liver glycogen stores. The graft of one parathyroid gland or the injection of 1 alpha-hydroxycholecalciferol in these thyro-parathyroidectomized mothers increa... | 97,008 | [
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0.3313918,
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0.... |
[Kinetic study of membrane 5'-nucleotidase activity in cultured diploid cells]. | 5'-nucleotidase activity of cultured diploïd cells was measured using intact suspended cells. This depended on the substrate amount, but did not vary with Mg ++ concentration-Kinetic data were determined using Con. A,a specific inhibitor. | 97,019 | [
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0.7287528,
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0.... |
[Permeability of the isolated human amniotic membrane to divalent cations]. | Membrane potential and resistance recordings, in vitro, show that Mg++ does not pass through the amnion from the inside of the amniotic compartment to the outside of the amniotic membrane. Mg++ may become fixed on the surface or in the midst of the amniotic membrane. However, Mg++ diffuses in the opposite direction. Ca... | 97,026 | [
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0.1641659,
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0.4387344,
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0.04520102,... |
Baroreceptor reflexes in human hypertension. | We studied the control of arterial pressure by the carotid sinus baroreceptors in 35 hypertensive humans, using a variable pressure neck chamber to alter carotid sinus transmural pressure in a graded fashion. The results were compared with those obtained from 11 normotensives. As in normotensives, reduction in carotid ... | 97,032 | [
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0.001032163,
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0.2240079,
... |
Impaired skeletal muscle vasomotor response to infused noradrenaline in baboons with obstructive jaundice. | 1. We have measured muscle blood flow by a 133Xe clearance technique, and its response to noradrenaline in baboons before and 2 weeks after ligation of the bile ducts when they were jaundiced. 2. In the normal baboons, the response to noradrenaline was a dose-dependent decrease in muscle blood flow. 3. Bile-duct ligati... | 97,041 | [
0.1185021,
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0.216067,
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0.1997988,
... |
[Transitory burst-suppression pattern in endogenous-exogenous encephalopathy (author's transl)]. | A status epilepticus was observed in a 22 year old female patient during endotoxinshock. The status epilepticus was treated with a high dosage of diazepame. The EEG showed a burst suppression pattern, in our case mixed by anoxia and diazepame. The burst-suppression pattern and the clinical suspicion of delayed degradat... | 97,072 | [
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... |
[Number of spike-components contributing to the motor unit potential (author's transl)]. | 40 motor unit potentials recorded with concentric needle electrodes (Fig. 1) from the extensor digitorum communis muscle were analysed in order to find out the number of contributing muscle fibre action potentials. A "fractionation" of the motor unit potential was achieved by maintained voluntary activity under ischemi... | 97,073 | [
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The intra-hepatic bile ducts in hepatic steatosis and in congested livers. | The authors study 25 steatotic or congested livers by means of post-mortem cholangiographies and vinyl moulds of the bile ducts. They show that the bile ducts of these organs present alterations, characterized by stretching, rectification, and lengthening of the intra-hepatic bile ducts, as a consequence of the diffuse... | 97,127 | [
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0.2615705,
0.1131589,
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0.1100655,
0.04101797... |
[Internal hemorrhoidectomy by ligation]. | The present work consists in the treatment of 60 patient suffering from internal hemorrhoids in the first, second and third degree, with and without complications. We utilized a new semi-surgical methods that is based on the ligation of these with satisfactory results in 85% of the cases and an improvement in 9.33%. | 97,137 | [
-0.1725605,
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0.289751,
0.2432371,
-0.04777728,... |
[Intraluminal diverticulum of the duodenum. Report of a case and review of published cases]. | The intraluminal diverticulum of the duodenum is very rare; it is an anatomical sac like formation, located in the interior of the duodenum and communicating with it through an orifice situated a the upper pole of the diverticulum where the wall is covered by mucosa on both faces. It has interesting etiopathogenic prob... | 97,140 | [
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0.02428501,
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0.08036023,
-0.004023... |
[Intramural hematoma of the digestive tract in relation to anticoagulant therapy]. | Three cases of submucosas hematomas of the gastrointestinal tract are presented in association with anticoagulant therapy. The clinical and radiological criteria for their diagnosis is discussed. | 97,160 | [
-0.121595,
0.07901554,
0.05796304,
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0.3635654,
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[Portal hypertension by hepatic cirrhosis. Selective decompression by distal renal spleno anastomosis. Report of a case]. | An analysis is made of the new techniques used in the surgical treatment of portal hypertensión, specially the selective descompression of the gastroesophageal varices. A case is presented of surgery performed in the Surgical Service IV of the Hospital Universitario de Caracas using the technique described by Warren. | 97,164 | [
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0.001227257,
0.07348082,
-0.1732554,
-0.145521,
-0.02474247,
-0.134... |
[Effect of EcoRI restrictase on the transforming DNA of different bacilli]. | The transforming activity of DNA from Bacillus subtilis 168, Bac. subtilis W23, Bac. subtilis NRS and Bac. aterrimus after the EcoRI restrictase treatment was studied. The auxotrophic strains of Bac. subtilis 168 were used as recipients in bacterial transformation. The transforming activity for different markers decrea... | 97,170 | [
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0.2793267,
0.2787644,
0.1492386,
-0.1799796,
... |
[Effect of repeated administration of glucocorticoid on the glycogen level of mouse muscle (author's transl)]. | Glycogen content and glycogen synthetase activity in mouse skeletal muscle (M. gastrocnemius) after single or repeated administrations of glucocorticoid were investigated and compared with those in liver, in a series of experiments to elucidate the biochemical mechanism of steroid myopathy. Results obtained were as fol... | 97,185 | [
-0.1019802,
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0.5401127,
0.1543996,
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-0.1388176,
-0.275... |
Pituitary responsiveness to thyrotropin releasing hormone in insulin-dependent diabetes mellitus. | The pituitary responses to the intravenous administration of 200 mg of Thyrotropin Releasing Hormone were investigated in 14 poorly controlled insulin dependent diabetic males and in nine matched controls. The mean TSH and prolactin responses in the two groups were similar although both tended to be lower in the diabet... | 97,197 | [
0.05289635,
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0.0116343,
0.06156475,
0.07908583,
0.1407309,... |
The use of intramuscularly administered methyl-TRH to evaluate the pituitary-thyroid axis. | The present study was carried out to evaluate the effectiveness of intramuscular administration of methyl-TRH, a potent analogue of thyrotropin-releasing hormone, for assessing pituitary reserve of TSH and prolactin and for distinguishing euthyroid, hypothyroid and hyperthyroid individuals. Serum samples were taken for... | 97,198 | [
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0.128399,
0.4319906,
0.1756009,
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Day hospitalization as a cost-effective alternative to inpatient care: a pilot study. | Two private day hospitals and an insurance company offering group health coverage to federal employees undertook a pilot study to determine if providing insurance coverage for day hospitalization on the same basis as for inpatient treatment was a feasible means of controlling the cost of psychiatric care. The study inc... | 97,202 | [
-0.382695,
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Deciphering the price tag on government regulations. | Studies show that about one and a half to two percent of total hospial costs is spent on complying with regulations. But, some observers say the costs are even higher. | 97,205 | [
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Effect of growth environment on Pseudomonas aeruginosa killing by rabbit polymorphonuclear leudocytes and cationic proteins. | Pseudomonas aeruginosa grown in a chemostat under carbon- and magnesium-limited conditions showed varying resistance to killing by rabbit peritoneal exudate polymorphonuclear leukocytes. Slow-growing (D = 0.05 h-1), magnesium-limited cells were significantly more resistant to the lethal effects of the phagocytes than w... | 97,227 | [
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0.00115... |
Motorized minitrack for exercising large animals. | A simply constructed device for exercise training large animals, e.g., swine, is described. Basically the device is a small, circular, enclosed track constructed of plywood and metal fence material. A centrally located, vertical shaft powered by a DC motor rotates at a variable speed. Attached to each of four horizonta... | 97,252 | [
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... |
Identification of a new sequence-specific endonuclease, NgoII, from Neisseria gonorrhoeae. | A class II restriction endonuclease which recognizes the same nucleotide sequence as EndoR.HaeIII has been found in four of seven isolates of Neisseria gonorrhoeae tested. | 97,270 | [
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Prophylactic treatment of Rocky Mountain spotted fever. | Prophylactic treatment of Rocky Mountain spotted fever with a single dose of oxytetracycline was investigated in guinea pigs. Disease was prevented when treatment was administered shortly before expected onset. Relapses occurred when treatment preceded expected onset by 48 h or more. | 97,307 | [
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0... |
Ultrasound scanning for monitoring childhood hydronephrosis. | Ultrasound scanning of the kidneys in four children with radiologically proven hydronephrosis was undertaken with a new modification: scanning before and after copious intake of fluid. The anteroposterior diameter of the renal pelvis was used as an index of the hydronephrosis. Alterations in the dilatation were followe... | 97,316 | [
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0.1193041,
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Effect of experimentally induced marginal periodontitis and periodontal scaling on the dental pulp. | Experimental breakdown of the periodontal attachment apparatus was produced in six young adult monkeys to study the effect on the tissue of the dental pulp by (1) periodontitis, (2) scaling and plaque accumulation on exposed root dentin. Periodontal tissue breakdown was induced by the placement of ligatures around the ... | 97,332 | [
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0.5274662,
0.09090713,
... |
Isolation and analysis of H-2 and Ia alloantigens from wild mouse strains. | Immunoprecipitation and SDS-PAGE analysis were used to examine H-2 and Ia antigens from mouse strains with wild-derived MHC haplotypes. Antisera raised against the wild-derived strains contained anti-H-2 and anti-Ia antibodies which precipitated antigen molecules readily distinguishable by a single assay procedure. The... | 97,344 | [
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0.2133169,
0.01939186,
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Scanning electron microscopic observations of the development of the somites and their innervation in anuran larvae. | The development of the paraxial mesoderm in tadpoles of Xenopus, Bufo and Rana was observed with a scanning electron microscope. In addition to examination of the differentiation of the surface and the interior of the somites, some attention was also paid to the transformation of the material of the neural crests and t... | 97,358 | [
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Acquisition of murine major histocompatibility complex gene products by schistosomula of Schistosoma mansoni. | Schistosoma mansoni schistosomula recovered from the lungs of inbred mice were shown to possess serologically detectable alloantigens on their tegumental surfaces. Using appropriate antisera and infected congenic and recombinant mice as worm donors, gene products of the K and I subregions of the major histocompatibilit... | 97,360 | [
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Characterization of the effects of Mg2+ on Ca2+- and Sr2+-activated tension generation of skinned rat cardiac fibers. | Submaximum and maximum forces of the cardiac muscle contractile apparatus, activated by Ca2+ or Sr2+, were determined as a function of Mg2+ concentration. Apical left ventricular tissue from Sprague-Dawley rats was broken by homogenization into small bundles of fibers with disrupted sarcolemmas (skinned). Tension gener... | 97,362 | [
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Isotope-release cytotoxicity assay with the use of indium-111: advantage over chromium-51 in long-term assays. | The adaptation of indium-111-oxine (also known as 8-hydroxyquinoline) (111In Ox) chelate for long-term (18-48 hr) isotope-release assays of cell-mediated cytotoxicity (CMC) and its advantages over the use of 51 Cr are described. Labeling of DBA/2 P815 mastocytoma cells with 111InOx resulted in the incorporation of as m... | 97,392 | [
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0.4489653,
0.2038433,
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0.02648082,
0.13... |
[Partial parenteral feeding in infants with special reference to the amino acid levels (author's transl)]. | 12 infants aged between 6 weeks and several months were partially fed for a period of three days parenterally with a 6% amino acid solution adapted to breast milk as well as with an electrolyte solution with 10% glucose. The amino acid levels in the plasma were determined daily in the blood of fasting blood after an in... | 97,467 | [
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0.3259674,
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0.1208073,
... |
[Juxtapapillary diverticula of the duodenum and bilio-pancreatic symptoms (author's transl)]. | Juxtapapillary diverticula of the duodenum are more frequent than has been assumed up to now. Among 2100 patients undergoing duodenoscopy 135 duodenal diverticula have been found. These diverticula may cause symptoms of diverculitis as well as of bilio-pancreatic disease. Such diverticula ought to be treated by surgery... | 97,479 | [
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... |
Sarcoplasmic calcium-binding proteins in protochordate and cyclostome muscle: characterization of a new protein from amphioxus. | A sarcoplasmic calcium-binding protein (SCP) has been purified from the muscle of the protochordate Amphioxus and shown to be more similar to invertebrate SCP's than to their counterpart found in vertebrates, i.e. parvalbumins. The Amphioxus protein has a pI of 4.9, is rich in tyrosine and tryptophan, has a molecular w... | 97,516 | [
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-... |
Ultrastructural localization of cations in the rat pars distalis under various experimental conditions. | Modifications of the pyroantimonate technique were used to localize intracellular sites of bound cations in the pars distalis of normal and hypothyroid rats and in rats with increased levels of plasma calcium. In the normal animal, cations were localized within most intracellular organelles and sometimes on the membran... | 97,571 | [
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Why do HMOs seem to provide more health maintenance services? | Greater use of preventive services by enrollees of HMOs than of other health plans is often assumed to reflect differences in philosophy about "health maintenance." But organizational forms are less important than extent of insurance coverage in influencing use of preventive services. Policy options for improved health... | 97,576 | [
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0.09763891,
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-0.0... |
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