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 zinc phosphate and carboxylate cements on the healing of experimentally induced pulpitis. | The effects of zinc phosphate and carboxylate cements on the healing of experimentally induced pulpitis have been studied. The results demonstrate that both cements allow healing of pulp imflammation when used as base materials. | 413,074 | [
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Cost-benefit analysis and the evaluation of psychiatric services. | The paper sets out a method for evaluating changes in psychiatric services in a cost-benefit framework. The first section of the paper analyses some of the problems which arise with those elements which can be measured in monetary terms--the 'hard' costs and benefits. The second section looks at a method of presenting ... | 413,135 | [
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Endocarditis on a Björk-Shiley mitral prosthesis due to Neisseria meningitidis. | To our knowledge, there has been reported only one previous case of prosthetic valve endocarditis due to Neisseria meningitidis. In describing a second fatal case, we emphasize the difficulty of clinical diagnosis due to lack of characteristic high fever, murmur, skin rash, or splenomegaly. This lack of findings plus t... | 413,188 | [
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[Attempt at the prevention of respiratory syndrome by rearing calves with a minimum morbidity rate]. | Under the conditions of a pilot experiment on two farms the authors tested the system of calf rearing in which the calves were separated from their mothers immediately after birth to be kept in specially equipped rearing facilities. In calf-house K with a semi-continual system of operation the total number of calves re... | 413,239 | [
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[Isolation and cold resistance of enterococci in ice cream]. | Studies were a total of 85 samples of ice-cream assortments. It was found that the presence of enterococci was reduced--up to 21 per cent of the samples only had from 101 to 2000 microbial cells per cu. cm of the ice-cream mass. Enterococci of the fecal group predominated--81 per cent. The regime of thermal treatment a... | 413,250 | [
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[The importance of Laelaps agilis C.L. Koch 1836 (Mesostigmata: Parasitiformae) as a vector of Hepatozoon sylvatici Coles 1914 (Sporozoa: Haemogregarinidae) (author's transl)]. | The importance of the mite Laelaps agilis (Parasitiformae) for the transmission of the Hepatozoon species living in the blood of Apodemus sylvaticus and Apodemus flavicollis (Hepatozoon sylvatici) is examined. With this mite the experimental transfer of the parasite to bred hosts of the same species was successful five... | 413,271 | [
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Bone marrow morphology in patients on regular haemodialysis treatment. | Bone marrow smears from 57 patients with chronic renal failure were morphologically analysed. In 55 patients on regular haemodialysis there was a slight 'shift to the left' and a significant eosinophilia within the granulopoiesis concurrently with slight megaloblastic changes of the erythroblasts. It is suggested that ... | 413,311 | [
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Acquired aplastic anaemia in adults. II. Conventional treatment: retrospective study in 40 patients. | The effect of conservative treatment of aplastic anaemia was evaluated retrospectively in 40 patients. No significant beneficial effect was provided by long-term high-dose oxymethalone in 20 patients or by metenolone, adrenstonolone, or testosterone in 14 patients. Splenectomy gave no improvement in the majority of cas... | 413,312 | [
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Ultrastructural localization of choline acetyltransferase in the CNS of rat. | The ultrastructural localization of choline acetyltransferase in various regions of rat's CNS is studied. It is established that the reaction product is located in some structures of the neuronal perikarya--on the outer surface of the rough endoplasmic reticulum sacs, along the vesicular profiles and in the mitochondri... | 413,320 | [
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Alcohol withdrawal reactions in rhesus monkeys. | The magnitude of the ethanol withdrawal reaction was assessed in rhesus monkeys (Macaca mulatta) following 96 hours of either constant or systematically fluctuating blood ethanol concentrations (BEC) using both physiological tremor and scores on a behavioral checklist as dependent measures. Although specific BEC (50, 1... | 413,338 | [
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Computed tomographic brain scanning in intraparenchymal pyogenic abscesses. | Retrospective analysis of 25 pyogenic brain abcesses diagnosed by computed tomography (CT) revealed relatively specific morphologic characteristics of these infections. The ability to obtain an early accurate diagnosis resulted in a dramatic decrease in patient morbidity and mortality. Repeated examinations by CT permi... | 413,395 | [
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Lymphoid follicular pattern: a normal feature of the pediatric colon. | Tiny nodular filling defects up to 2 mm in diameter were seen in 12 of 27 patients under the age of 15 years undergoing double contrast enema. The pattern was particularly common in children under 5 years in whom a good quality double contrast study was obtained. While this pattern has been termed lymphoid hyperplasia,... | 413,417 | [
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A taxonomic study of the Penicillium chrysogenum series. | The taxonomy of the Penicillium chrysogenum series is reconsidered. On account of the observations of the available type strains and numerous isolates mainly obtained from food products, Penicillium notatum Westling, P. meleagrinum Biourge and P. cyaneofulyum Biourge are placed in synonymy with P. chrysogenum Thom. Syn... | 413,477 | [
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Lipoquinones of some bacteria and mycoplasmas, with considerations on their functional significance. | In a comparative study the lipoquinones of some chemoorganotrophic, facultatively aerobic bacteria, and representative Acholeplasma, Mycoplasma, Spiroplasma, and Thermoplasma strains were investigated. The quinones were partly purified by preparative thin layer chromatography of lipid extracts, and characterized by the... | 413,478 | [
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Nebulized sodium cromoglycate in young asthmatic children. Double-blind trial. | Seventeen asthmatic children under 5 years of age took part in a double-blind controlled trial of nebulized sodium cromoglycate solution. Daily symptom scores kept by the parents showed improvement in 11 children during active treatment, and a significant improvement in scores for cough by day and night was obtained fo... | 413,493 | [
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Neonatal necrotizing enterocolitis. Therapeutic decisions based upon clinical staging. | A method of clinical staging for infants with necrotizing enterocolitis (NEC) is proposed. On the basis of assigned stage at the time of diagnosis, 48 infants were treated with graded intervention. For Stage I infants, vigorous diagnostic and supportive measures are appropriate. Stage II infants are treated medically, ... | 413,500 | [
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Effect of temperature on the adsorption and one-step growth of the Nostoc virus N-1. | This study was an attempt to observe the effects of temperature on adsorption and one-step growth of the virus N-1 infecting the nitrogen-fixing cyanobacterium Nostoc muscorum. Adsorption rate was found to maximum at 40 degrees C whereas no adsorption occurred at 10 degrees C. The Q10 value was about 2.03 and the energ... | 413,522 | [
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[Demonstration of zinc-metalloenzyme syntheses after zinc supplements for deficient animals by means of measurement of the incorporation of 65Zn in various organs]. | For the purpose of detecting the synthesis of zinc metalloenzymes after zinc supplementation in an experiment using rats the animals were first depleted for 15 days and subsequently injected a labelled zinc salt solution (65Zn-ZnCl2) in a dosis of 0.4 mg (in terms of Zn) and with an activity of 3.0 muCi/100microliter. ... | 413,527 | [
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[Characteristics of glycogen synthetase I from rabbit skeletal muscles]. | Electrophoretic heterogeneity of glycosynthetase I from rabbit skeletal muscles is observed. Multiple glycosynthetase forms are separated in sucrose density gradient, their molecular weights are estimated. The existence of the enzyme as an equilibrium system of oligomeric forms, capable of reversible association-dissoc... | 413,588 | [
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[Use of the enzyme neuraminidase for immunotherapeutic treatment of chemically induced carcinogenesis]. | The effect of vibrio cholerae neuraminidase (VCN) on the growth of dimethylbenzanthracene-induced sarcoma cells in the inbred CBA mice was investigated. The use of this preparation was started after the appearance of the tumour. Injection of 50 units of VCN twice a week for three months was effective at the early stage... | 413,595 | [
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The nacreous layer in Mytilus, Nucula, and Unio (Bivalvia). Crystalline composition and nucleation of nacreous tablets. | Etching with the glutaraldehyde-acetic acid solution reveals that the nacreous tablets in Mytilus, Nucula, and Unio are composed of four crystal individuals which occur in two structurally different pairs and which are probably cyclically twinned. In Mytilus, one pair consists of horizontal lamellae, whereas the other ... | 413,612 | [
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Some biophysical and biochemical properties of poly(phthaloyl L-lysine) microcapsules containing hemolysate. | Measurements of oxygen equilibrium, zeta-potential, resistance to flow, carbonic anhydrase activity, and catalase activity were made on sheep erythrocyte hemolysate-loaded poly(phthaloyl L-lysine) microcapsules (artificial red blood cells) prepared by an interfacial polycondensation technique. The measurements revealed... | 413,615 | [
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[Anomalous incidence of chromosome 1 gh+ in chronic myeloid leukemia]. | Chromosome C variants have been analyzed in individuals with hematological disorders. The incidence of chromosome 1 gh+ was significantly enhanced in CML patients (20/24) compared with controls (8/17). The distribution of C-variants of chromosomes 9 and 16 was not different in these individuals. | 413,655 | [
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[Purification of a protein binding quinacrine and histrionicotoxin from membrane fragments rich in cholinergic receptors in Torpedo marmorata]. | A protein is purified by differential centrifugation from membrane fragments rich in acetylcholine receptor prepared from Torpedo marmorata electric organ after dissolution by a mixture of non denaturing detergents. After polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulphate and Coomassie blue s... | 413,664 | [
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Contribution of vagal pathways to the renal responses to head-out immersion in the nonhuman primate. | Studies were carried out to determine the contribution of cardiopulmonary receptors to the renal responses to head-out water immersion in the nonhuman primate. Immersion to the suprasternal notch was associated with significant increases in central venous pressure, urine flow, and sodium excretion. The increased sodium... | 413,670 | [
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Functional anatomy of the deep motor branch of the ulnar nerve. | Our presently inadequate knowledge of the functional anatomy of the deep branch of the ulnar nerve handicaps our management of ulnar nerve lesions. The extensive anatomical variations in the distribution of this nerve preclude adherence to a textbook pattern of innervation. Electrophysiological recordings of single sen... | 413,680 | [
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Congenital pseudarthrosis of long bones: a clinical, radiographic, histologic and ultrastructural study. | Sixteen patients with pseudarthrosis of the tibia and one of the radius were evaluated clinically, radiograpically, and microscopically and separated into 3 groups; 8 had neurofibromatosis clinically, 3 had fibrous dysplasia histologically, and 6 had no evidence of either neurofibromatosis or fibrous dysplasia. Prognos... | 413,681 | [
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Bone mineral and surface charge. | A triple association has been observed between a high negative surface charge, bone morphogenetic activity, and in vitro recalcificaiton in implants of demineralized bone matrix. Proplast fills with bony tissue when implanted in the body and shows the same triple association. The higher the negative surface charge, the... | 413,682 | [
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... |
Retinal damage secondary to chronic light exposure, thresholds and mechanisms. | The effect upon the retina of exposure to large fields of bright visible light has been evaluated. The thresholds for permanent retinal damage for four hour exposures in rhesus monkeys have been established for white light, and laser lines of 514.5 nm, 488 nm, 457.9 nm, and 590 nm. The damage has been evaluated by opht... | 413,705 | [
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Transport of D-glucose and 3-O-methyl-D-glucose in the cyanobacteria Aphanocapsa 6714 and Nostoc strain Mac. | 1. The cyanobacterium Aphanocapsa 6714 which grow in the dark on D-glucose, will take up D-glucose and the analogue 3-O-methyl-D-glucose; uptake of each of these compounds was inhibited competitively by the other and by 6-deoxy-D-glucose. 2. This cyanobacterium accumulated 3-O-methyl-D-glucose up to 100-fold relative t... | 413,715 | [
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The intracerebellar nucleocortical projection in a primate. | Experiments were performed to determine if a nucleocortical system, a projection from the cerebellar nuclei to the cerebellar cortex, was present in primates. Both electrophysiological and neuroanatomical techniques were employed to investigate this question. It was shown that neurons within the dentate and interposed ... | 413,728 | [
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... |
Linear addition of optokinetic and vestibular signals in the vestibular nucleus. | A simple model of the vestibuloocular reflex and the optokinetic system was used to simulate recent data on visual and vestibular responses of neurons in the vestibular nucleus. Contrary to a previous interpretation, the results support the hypothesis that the optokinetic and semicircular canal signals are combined sim... | 413,730 | [
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In vitro effects of melanocytolytic agents and other compounds upon dominant human melanoma tyrosinase activity. | The activity of dominant human melanoma tyrosinase isozyme was greatly decreased by certain reducing agents. The number and geometry of phenolic groups as well as free--SH group appear important for enzymic inhibition. | 413,735 | [
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Recent results of behavioural treatments of phobias and obsessions. | The basic principle of treatment of phobias and obsessions is exposure of the patient to the evoking stimulus. Utilizing this principle, exposure in vivo seems an effective treatment for many, but not all, obsessional patients. The role of tricyclic drugs is at present being investigated. Nurse therapists have been fou... | 413,754 | [
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NHI in crisis: politics, predictions, proposals. | Marked by intense feeling, the NHI debate has produced a crisis rhetoric that clouds the issues and misrepresents the state of medical care. Generated in response to the rhetoric, current NHI proposals fail to combat the central problem of rising health care costs. A promising approach combines a comprehensive insuranc... | 413,776 | [
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Immunological relationships of human and subhuman primate pregnancy-associated plasma proteins. | (1) Four pregnancy-associated plasma proteins cross-reactive with antibodies to the human pregnancy proteins were detected in several species of pregnant subhuman primates. In the case of the two apes studied (chimpanzee and orangutan), these appeared to be immunologically identical to the human PAPPs (PAPP-A, -B, -C, ... | 413,796 | [
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Tubular elements - a new structure in blue-green algal cells. | New cell inclusions, 'tubular elements' are described from the blue-green alga Calothrix marchica. These structures are found in about 20% of all cells observed. They are 18-22 nm in diameter, apparently composed of sub-units of which the estimated number, as seen in transverse section, is 8-10. | 413,838 | [
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Inhibition of platelet prostaglandin synthetase by oral aspirin. | Aspirin inhibits platelet function by permanently acetylating the cyclooxygenase that forms prostaglandins. We determined the sensitivity of platelets to aspirin in normal subjects by measuring [3H-acetyl]aspirin-susceptible cyclooxygenase in washed platelets obtained at various times after aspirin ingestion. A single ... | 413,839 | [
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Relationship between intrapulmonary airway diameter and smooth muscle tone in excised lungs. | 1. Intrapulmonary bronchi in excised dog lungs were outlined with tantalum dust and stereoscopic radiographs taken during deflation and inflation of the lung after rinsing with solutions of saline, histamine, isoprenaline or EDTA. Dimensions of airways were calculated from measurements of the stereoscopic X-ray images.... | 413,905 | [
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-... |
Euglena: the photoreceptor system for phototaxis. | The photoreceptor structures (eyespot-paraflagellar body-flagellum) for Euglena phototaxis were investigated by electron microscopy. The paraflagellar body--the photoreceptor--is a highly ordered crystalline lamellar structure. Optical diffraction of the electron micrographs and resulting filtered images of the parafla... | 413,913 | [
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An adaptive response of E. coli to low levels of alkylating agent: comparison with previously characterised DNA repair pathways. | We have described previously an inducible response in Escherichia coli which occurs during growth on low levels of the methylating agent, N-methyl-N'-nitro-N-nitrosoguanidine (MNNG), and which enables cells both to survive better and to be less mutated by a subsequent challenge dose of MNNG than control cultures (Samso... | 414,071 | [
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[Sports and breathing (author's transl)]. | The effect of physical training on pulmonary function and the changes in pulmonary parameters during physical exertion is described. Respiratory mechanics, vital capacity, forced expiratory volume and related variables are of less importance in judging the state of physical fitness and training condition. On the other ... | 414,115 | [
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The formation and recovery of two-break chromosome rearrangements from irradiated spermatozoa of Drosophila melanogaster. | Chromosomes and chromatid-type rearrangements can be induced by exposure of spermatozoa of Drosophila to ionising radiation. A model, proposed to explain the formation and recovery of compound autosomes, has been extended to account for the induction of centric fragments capped by a duplication of paternal chromosome m... | 414,132 | [
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[Diagnostic difficulties in facial hemispasm in a child]. | The authors report a case of facial hemispasm in a 7 years old child observed for several years. Spasms appeared at the age of 13 months. Based on the observations and results of clinical investigations the authors come to conclusion that facial hemispasm in this case was probably due to irritation of the facial nerve ... | 414,146 | [
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Influenza virus messenger RNAs are incomplete transcripts of the genome RNAs. | The results of ribonuclease T1 oligonucleotide fingerprint analyses indicate that influenza virus messenger RNAs are incomplete transcripts of the corresponding genome RNAs and that in this respect they differ from the unpolyadenylated virus specific complementary RNAs obtained from infected cells. From the position of... | 414,207 | [
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Thyroid disorders and the distribution of orally administered radioiodine. | 128 control, thyrotoxic, hypothyroid and goitrous euthyroid children were administered 1-2 muCi Na131I orally and studied in a shadow-shield whole-body counter. 48-hr whole-body counts permitted the differentiation of the first 3 groups (p less than 0.005). Ratio of extrathyroid:excreted 131I was 3 times greater in thy... | 414,210 | [
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Method for detection of specific RNAs in agarose gels by transfer to diazobenzyloxymethyl-paper and hybridization with DNA probes. | We describe a technique for transferring electrophoretically separated bands of RNA from an agarose gel to paper strips. The RNA is coupled covalently to diazobenzyloxymethyl groups on the paper. After transfer and appropriate treatment of the paper to destroy remaining diazo groups, specific RNA bands can be detected ... | 414,220 | [
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Reversal of ethanol intoxication in humans: an assessment of the efficacy of L-dopa, aminophylline, and ephedrine. | The effect of postethanol treatment with L-Dopa, aminophylline and/or ephedrine was investigated. In one experiment, healthy, male, moderate drinkers ingested ethanol (0.8 g/kg) and then either L-Dopa (1.5 g), or placebo. In a second experiment, subjects ingested ethanol followed by aminophylline (200 mg), ephedrine (5... | 414,280 | [
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Changes in fixed-ratio performance and blood alcohol levels in monkeys. | Three female Bonnet monkeys prepared with indwelling venous catheters were maintained on a fixed-ratio schedule of food reinforcement until response rates were stable. The animals were then intubated with alcohol (5.0 g/kg) 30 min prior to testing. Blood alcohol concentrations (BACs) were determined every 15 min throug... | 414,281 | [
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Selective modification of spontaneous ECoG rhythms of the cat somesthetic cortex by psychoactive drugs: behavioral correlates. | Three psychoactive drugs with known central effects were administered to the freely moving cat in order to study their action on spontaneous rhythmic activities recorded from the primary somesthetic cortex, which are analogous to the rolandic mu rhyhm in man. The ECoG patterns obtained are qualitatively identical to th... | 414,284 | [
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[Sensitivity of gonococcus to penicillin G in the canton Berne during the years 1972-1977. Isolation of penicillin-resistant strains]. | Since January 1972 Neisseria gonorrhoeae has been systematically investigated by culture techniques at the Institute for Hygiene and Medical Microbiology of the University of Berne. From January 1st 1972 to September 30th 1977, 820 strains were isolated. A survey of the sensitivity of gonococci to penicillin G is prese... | 414,353 | [
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Intrathoracic meningocele and vertebral anomalies in a case of neurofibromatosis. | A case of an intrathoracic meningocele associated with vertebral scalloping, enlarged intervertebral foramina and scoliosis in neurofibromatosis without spinal or nerve root rumors is described. A markedly attenuated dura mater anteriorly was present at autopsy and may have predisposed to meningeal herniation and scall... | 414,367 | [
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... |
[Incidence of Listeria monocytogenes in the intestinal contents of broilers on different farms (author's transl)]. | The intestinal contents of 3,090 broilers, one day to five weeks of age, from 1,025 broiler houses, were examined for the presence of Listeria monocytogenes. L. monocytogenes was isolated in 243 cases, i.e. 23.7% of the broiler houses, 58.8% were of type 1, 35.5% of type 4b, 1.2% were of type 5 and 2.4% of the strains ... | 414,373 | [
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Studies on Theileriidae (Sporozoa) in Tanzania IX. Unidentified bovine Theileriae. | Two strains of nonpathogenic Theileriae, designated as Theileria sp. (Idobogo) and Theileria sp. (Mwanza), were isolated from cattle in southern and northern Tanzania respectively. They were similar to each other, producing low numbers of T. parva-like macroschizonts and of small piroplasms. Both were readily transmitt... | 414,387 | [
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Effect of topically applied serotonin on local cerebral blood flow. | It has been hypothesized that acute lesions of the brain enlarge through an autodestructive process. Serotonin (5HT), a potent cerebral vasoconstrictor, is believed by some to mediate the process by reducing cerebral blood flow (CBF) in tissue surrounding the lesion. The hypothesis was tested in cynomologus monkeys ane... | 414,385 | [
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0.06251208,
0.248973... |
[Determination of chlorinated pesticides in food and in human adipose tissue]. | Residues of chlorinated pesticides in feed for laying hens, in eggs, poultry organs, potatoes, flour, and human fat tissues were determined by means of gas chromatography using electron recording detector. Further the amount of chlorinated hydrocarbon residues in potatoes from various parts of the South Moravian Region... | 414,411 | [
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[Admixtures of antibiotic substances in enzyme preparations of microbial origin intended for use as food additives]. | A group of enzymtic preparations, mainly of the Soviet make were investigated for the presence of antibiotic substances admixtures. Altogether 25 preparations obtained from molds, actinomycetes, bacteria and yeast were studied. The results showed that 18 preparations contained antibiotic substances in an amount of 0.6-... | 414,448 | [
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The social life of a black-and-white Colobus monkey, Colobus guereza. | To investigate relationships between ecology and social organization, observations were made on several populations of Colobus guereza in East Africa in 1970-74. Study time was concentrated in the Kibale Forest and the Kabalega National Park, Uganda. Findings on social behaviour are reported in this paper. Assessments ... | 414,475 | [
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Blood group mythology: present status. | There are still many myths, incorrect beliefs, in medicine; some pertaining to the field of blood grouping are discussed. Certain fallacious statements are dealt with in detail such as the dependence on the A-B-O blood group of the shape of the retracted clot; the patients with Dupuytren contracture all being type Rh1R... | 414,513 | [
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Diagnosis of gynecologic pelvic masses by gray scale ultrasonography: analysis of specificity and accuracy. | A retrospective analysis of 251 proven cases of gynecologic masses was undertaken. Accuracy of gray scale sonography in determining the existence, size, location, and consistency of pelvic masses was approximately 91%. This is slightly higher than previously reported and could reflect increased accuracy of gray scale u... | 414,529 | [
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Gallbladder disease in cystic fibrosis. | In 84 consecutive patients with cystic fibrosis, oral cholecystography was abnormal in 39 (46.4%). The incidence of abnormal cholecystograms increased with patient age. The 26 patients with a nonvisualized gallbladder following double-dosage oral cholecystography were evaluated with intravenous cholangiography; 19 (70.... | 414,561 | [
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Arthrography of the discoid lateral meniscus. | Twenty-seven cases of discoid lateral meniscus (DLM) were diagnosed during the course of 985 knee arthrograms; 19 had the classic discoid shape while eight were less large and believed to represent a forme fruste. Based on anatomic and arthrographic appearances, DLM was classified into six types. Criteria for the arthr... | 414,568 | [
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Radiologic-pathologic correlations of small lung nodules with special reference to peribronchiolar nodules. | A radiologic and pathologic correlation has been made of small lung nodules. At necropsy 100 excised lungs were fixed and slices from them radiographed. The radiographs were used to select individual nodules for histologic study. Nodules in bronchopneumonia, acinonodose tuberculosis, chronic bronchiolitis, and simple p... | 414,570 | [
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Caffey's disease: a case originating in the first metatarsal and review of a 12 year experience. | This paper describes an infant with Caffey's disease who presented with swelling of the first metatarsal shown as hyperostosis histologically. He then developed scapular sclerosis and new bone formation. The mandible became involved 26 days after onset. A review of a 12 year experience with Caffey's disease (33 patient... | 414,589 | [
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Trace metal profile of parenteral nutrition solutions. | Zinc, copper, iron, magnesium, and chromium were analyzed in commercially prepared total parenteral nutrition solutions of amino acid/protein hydrolysate, dextrose, lipid, and water from several manufacturers. Concentrations of each varied with both the manufacturer and the solution lot number, with the greatest differ... | 414,617 | [
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Pharmacist-managed patient assessment and medication refill clinic. | The effectiveness of a pharmacist in determining the appropriateness of prescription renewal for patients appearing at a hospital-based refill clinic was investigated. In part 1, data were collected on the clinic as it traditionally functioned with staff physicians evaluating the patients. In parts 2 and 3, data were c... | 414,621 | [
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Immunoblastic lymphadenopathy presenting as respiratory insufficiency. | The clinical course of a patient is described who experienced respiratory insufficiency as the primary manifestation of immunoblastic lymphadenopathy. Respiratory symptoms preceded the enlargement of lymph nodes, improved spontaneously at first and then after steroid therapy. Subsequently these symptoms reappeared conc... | 414,623 | [
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Operative fluoroscopy and cholangiography. The use of modern radiologic technics during surgery. | Operative cholangiography as currently performed in many hospitals in the United States may be a cumbersome procedure yielding less than optimal information. For maximal accuracy and diagnostic yield, operative radiographic examination of the biliary tract should include fluoroscopic observation and aimed spot films. T... | 414,634 | [
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[Transferrin findings in Callithrix jacchus Linné, 1758 (Primates, Platyrrhina)]. | This paper deals with the transferrin (Tf) polymorphism in the South American marmoset Callithrix jacchus. The transferrin bands of this species are positioned in the electropherogramme cathodal to the beta1C-globulin (C 3), s. Fig. 1. By means of the combined agarose gel immuno-electrophoresis 7 distinguishable phenot... | 414,654 | [
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Cytologic diagnosis of multiple myeloma and macroglobulinemia in effusions. | The presence of effusion in association with multiple myeloma or macroglobulinemia is an unusual finding which generally occurs late in the course of the disease. Occasionally, cytoligic detection is a diagnostic problem. In both conditions, the fluid is characrerized by a high specific gravity and high protein content... | 414,650 | [
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Differentiation by electrophoresis and enzymoserology of proteinases, produced by strains of Staphylococcus epidermidis biotypes 1 and 4. | Electrophoretic and serologic characterization of extracellular proteinases from 111 isolates (80 biotype 1 and 31 biotype 4) of Staphylococcus epidermidis (coagulase negative) of human origin were conducted. Seventy-seven (60 of biotype 1, 17 of biotype 4) of the 111 proteinase-positive isolated of S. epidermidis were... | 414,651 | [
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[Penicillium chrysogenum mycelial productivity in the 1st phase of penicillin biosynthesis]. | The course of the mycelium low productivity during the first phase of the usual two-stage process of penicillin biosynthesis was studied. It was found that the low productivity of the mycelium at the beginning of the fermentation process was probably associated with catabolic regression of the penicillin-producing syst... | 414,656 | [
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[Auricular fibrillation with ventricular tachycardia. Surgical section of a left lateral bundle of Kent]. | The authors report the case of a man of 22 years, with no previous cardiac history, in whom a Wolff-Parkinson-White syndrome was discovered during the course of this first episode of atrial fibrillation with a ventricular rate of 300-350/mn; investigation (vecto-cardiogram, intra-cavitory ECG) showed the presence of a ... | 414,674 | [
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Mutagenicity and chromosomal aberrations as an analytical tool for in vitro detection of mammalian enzyme-mediated formation of reactive metabolites. | 1. Incubation of trichloroethylene, 1,1-dichloroethylene, vinylchloride, tetra-chlorocyclopentadiene, the nitroso derivatives of the pesticides Carbaryl, Prometryn, and Dodin in the presence of metabolically active mouse liver microsomes and bacteria as target cells were mutagenic, whereas tetrachloroethylene, 1,2 cis-... | 414,695 | [
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Diphtheria corneal ulcers. | An adult with cutaneous diphtheria was admitted with bilateral purulent conjunctivitis and a perforated eye with most of the cornea absent due to Corynebacterium diphtheriae. At the time of admission of grayish patch of corneal epithelium was noted in the other eye, and in the next 24 hours there developed a large corn... | 414,704 | [
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Chemotactic activity of L-forms and mycoplasma. | L-forms of Streptococcus faecalis, Escherichia coli and Proteus mirabilis showed significantly less chemotactic activity for normal human leucocytes than did parent bacterial forms which were strongly chemotactic. Mycoplasma pneumoniae and Mycoplasma hominis did not demonstrate chemotactic activity. | 414,709 | [
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Application of a fluid-filled spherical sandwich shell as a biodynamic head injury model for primates. | In this paper, two areas are investigated: first, the effect of pulse duration on skull fracture and brain injury and, second, under what conditions a scaling can be considered between subhuman primates and human. The skull is modeled as a spherical sandwich shell representing the general structure of the skull bones a... | 414,727 | [
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Partial purification and properties of purine nucleoside phosphorylase from rabbit erythrocytes. | 1. The partial purification of purine nucleoside phosphorylase from rabbit erythrocytes is described. 2. Analytical and preparative isoelectric focusing gave a pI value for the enzyme of 4.65. 3. Gel-chromatography and sucrose-density-gradient-centrifugation techniques gave estimates of the molecular weight in the rang... | 414,743 | [
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Methyl ester of N-formylmethionyl-leucyl-phenylalanine: chemotactic responses of human blood monocytes and inhibition of gold compounds. | N-formylmethionyl-leucyl-phenylalanine, a potent hemotactic peptide for human polymorphonuclear leukocytes, is less chemotactic for human blood monocytes. Esterification of the N-formylated tripeptide enhances its chemotactic activity for monocytes by more than 4 logs, whereas a decrease by 3 logs is observed for polym... | 414,757 | [
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Acute folate deficiency associated with intravenous nutrition with aminoacid-sorbitol-ethanol: prophylaxis with intravenous folic acid. | Preoperative folate levels were initially normal in 30 patients with gastrointestinal tract disease but fell within 48 h by 60-95% in 20 patients who received intravenous nutrition for 6-12 d with aminoacid-sorbitol-ethanol (ASE). This depression persisted in patients not given folate supplements. Folate levels in 10 c... | 414,777 | [
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Purification of jack bean meal beta-D-galactosidase by a new affinity adsorbent. | A simple procedure has been developed for the purification of jack bean beta-D-galactosidase (beta-D-galactoside galactohydrolase, EC 3.2.1.23) by affinity chromatography employing a new affinity adsorbent. The ligand 6-N-beta-(4-aminophenyl)-ethylamino-3-O-beta-D-galactopyranosyl-6-deoxy-L-gulitol was prepared by the ... | 414,783 | [
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[Relation of cyclic and noncyclic electron transport in Rhodospirillum rubrum chromatophores. I. Experimental study of the kinetic characteristics of dark reduction of P870 with different donor concentrations in the medium]. | The kinetics of the dark recovery of photo-oxidized bacteriochlorophyll P870 was studied as a function of the intensity and duration of actinic light illumination at different concentrations of a donor in the medium. From the comparison of the experimental data with the results of mathematical modelling of the processe... | 414,786 | [
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Subarachnoid haemorrhage above the age of 59: are intracranial investigations justified? | Out of 186 patients aged over 59 referred to a neurosurgical department after spontaneous subarachnoid haemorrhage, 143 underwent cerebral angiography; only 28 (15%) of the patients had surgery, of whom 16 were independent one year later. The doubtful benefit of surgery and the small proportion of patients who underwen... | 414,813 | [
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0.08112028,
0.2958271,
-0.1267296,
-0.3226982,
-0.1816434,
0.04589612,
-0.1110943,
0.3888543,
-0.2738202,
-0.01380271,
0.2428378,
0.2203365,
0.13241,
0.... |
Tumor promotion and the induction of epidermal ornithine decarboxylase activity in mechanically stimulated mouse skin. | Wounding by incision was a promoting stimulus in mouse skin previously initiated with 7,12-dimethylbenz-(a)anthracene. Skin massage elicited a marked proliferative response in skin but was not a promoting stimulus. Wounding mouse skin, either by multiple scalpel incisions or by stripping with silicon carbide paper, led... | 414,831 | [
-0.09855315,
0.1776253,
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0.02452026,
0.187442,
0.1768281,
-0.3464364... |
The posterior horn and collateral trigone of the lateral ventricle of the monkey brain (Macaca speziosa). A scanning electron microscopic study. | The posterior horn of the lateral ventricle in the monkey brain varies in size in different individuals. In this part of the ventricle, the ependymal cells bear cilia, microvilli, microblebs and supraependymal, axon-like cell processes. Only slight differences are seen in the different parts of the posterior horn: The ... | 414,839 | [
0.03690581,
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0.01214782,
0.01107991,
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0.3858909,
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0.1904723,
0.3274793,
... |
[Acceleration of the speed of neuronal growth by a new neurotropic substance: N-isopropyl-amino-2-pyrimidine]. | 16 hrs. after per os administration of 14C N-isopropyl-amino-2-pyrimidine (IAP) in the Rat, radioactivity of the sciatic nerve is significantly higher than in plasma and other organs. In vitro IAP (base, orthophosphate or dichloracetate) accelerates neurite outgrowth of explained spinal ganglion after 48 hrs. of incuba... | 414,849 | [
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0.3806288,
0.4111566,
0.2518848,
-0.05423298,
... |
Antibodies reacting with salmon and human protamines in sera from infertile men and from vasectomized men and monkeys. | A micro-complement fixation test was modified for the detection of low-titred antibodies to protamines. Specific immunological reactions with salmon protamine were found with some sera obtained from infertile men and vasectomized men and monkeys. The possibilities that allergic reactions, observed in patients receiving... | 414,865 | [
0.09663477,
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0.02675714,
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0.03482463,
-0.1507284,... |
Form perception in stumptail macaques following posterior parietal and lateral frontal lesions. | Monkeys with bilateral posterior parietal and lateral frontal ablations were compared with normal animals on a series of four tests for their ability to relate elements of a visual pattern on the basis of the Gestalt principle of proximity. The operated animals showed no clear impairment on these tests of perceptual gr... | 414,883 | [
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0.2019747,
0.04279602,
-0... |
Effects of thyroxine and cold exposure on hypothalamic TRH levels in rats with various pituitary-thyroid states. | The hypothalamic content and concentration of thyrotropin-releasing hormone (TRH) were determined by radioimmunoassay in normal, thyroidectomized, hypophysectomized and cold-exposed rats with or without thyroxine. In normal animals, the single administration of thyroxine (1,5 and 20 microgram/100 g B.W.) altered neithe... | 414,907 | [
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0.1605768,
0.003765719,
-0.0266499,
-0.1360844,
0.5554178,
-0.004789877... |
Induction of microsomal drug-metabolizing enzymes caused by hexobarbital. | Hexobarbital was given to anaesthetized mice for a period of 7 h by repeated i. p. injection, first of 100 mg/kg,then several times of 50 mg/kg. A high level of hexobarbital was maintained in the liver. The activity of microsomal drug-metabolizing enzymes was induced by this treatment with hexobarbital. 30 min after a ... | 414,931 | [
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0.3575002,
0.05238627,
0.1750124,
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0.3005431,
0.2022766,
... |
New lectin receptors in carcinoembryonic antigen (CEA). | The glycoprotein CEA (carcinoembryonic antigen) carries carbohydrate groups, which react with the plant lectins from Agaricus bisporus, Arachis hypogaea (peanut), with Tridacnin from invertebrate clams and with the anti-A lectins from snails. Accordingly, it has cryptantigenic structures, which correspond to the T or T... | 414,933 | [
0.03017752,
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0.177809,
0.08124244,
0.1064669,
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0.4203987,
-0.2510195,
-0.0229942,
0.2271651,
-0.3312301,
-0.0... |
Dopamine receptors in the central nervous system. | Dopamine receptors in the central nervous system can be studied by measuring the specific binding of [3H]dopamine, [3H]haloperidol, d-[3H]LSD, [3H]dihydroergocryptine or [3H]apomorphine. The receptors are stereoselectively blocked by +)-butaclamol, a neuroleptic. All neuroleptics inhibit the specific binding of [3H]hal... | 414,936 | [
0.1562171,
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0.327637,
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0.2966405,
0.03040941,
0.1021216,
0.0583309,
0.3275059,
-0.09466252,
... |
Results of the single-radial-diffusion test with formaldehyde-treated influenza virus. | We found reduced values for formaldehyde-treated influenza virus in the single-radial-diffusion test by comparison with non-treated virus. The reduction correlates with the formaldehyde concentration. Hemagglutination and neuraminidase activities were not affected by the same treatment. We therefore suggest that this r... | 414,950 | [
-0.2748837,
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-0.06269097,
0.08743404,
-0.4788058,
0.1467958,
-0.03570583,
-0.1694635,
-0.115004... |
Quantitation of influenza vaccine hemagglutinin by immunoelectrophoresis. | A technique for the quantitation of hemagglutinin (HA) in influenza vaccines by immunoelectrophoresis (IEP) is described. This method gives accurate, and reproducible results and requires approximately 9 h to complete. The HA content of four manufacturers' vaccines correlated with the chick cell agglutination (CCA) val... | 414,948 | [
-0.2480001,
0.1332031,
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0.03844431,
0.1063052,
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0.2026188,
0.2896875,
-0.1633201,
0.07708132,
-0.... |
Application of an improved single-radial-immunodiffusion technique for the assay of haemagglutinin antigen content of whole virus and subunit influenza vaccines. | An improved single-radial-diffusion technique for the assay of influenza haemagglutinin antigen is described. The modified method enables the results of assays of antigen to be obtained more rapidly and with greater precision than previously. The use of immunoplates containing varied, preselected concentrations of anti... | 414,951 | [
-0.4049587,
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0.1370235,
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0.3295629,
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0.07867136,
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0.05303563,
0.2500394,
-0.0163234,
0.02948175,... |
Appraisal of the 14C-glycocholate acid test with special reference to the measurement of faecal 14C excretion. | The (14)C-glycocholate test, including the measurement of marker corrected faecal (14)C, has been assessed in the following groups of subjects: normal controls (18), patients with diarrhoea not attributable to altered bile acid metabolism (21), patients with diverticula of the small intestine (12), patients with previo... | 414,968 | [
-0.156487,
0.05615107,
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-0.1723972,
0.03626778,
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0.002132405,
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0.03272082,
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-0.3675282,
0.3982357,
0.0430246,
0.2684502,
0.01891043,
0.2097534,
0.06304508,... |
A new variety of spondyloepiphyseal dysplasia characterized by punctate corneal dystrophy and abnormal dermal collagen fibrils. | Several individuals from one family are described with a unique form of spondyloepiphyseal dysplasia. Characteristic features include short-trunked short stature, punctate corneal dystrophy and marked disorganization of dermal collagen fibrils when examined by transmission electron microscopy. Inheritance is compatible... | 414,988 | [
0.02141167,
-0.1813815,
0.08246981,
-0.3098621,
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-0.3756598,
-0.09144299,
0.01565721,
0.1491643,
0.1492571,
0.06128011,
-0.1337603,
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-0.387162,
-0.07655047,
-0.00683779,
0.03637728,
0.2436695,
0.1848429,
-0.0480... |
Frenum surgery. I. A comparison of three surgical methods. | The present study was undertaken to evaluate and compare three surgical methods to relocate labial frena to a more apical position. Thirty patients with frenum insertion at the gingival margin were selected for the study. All had been peridontally treated prior to frenum surgery. Stone casts from rubber base impression... | 415,016 | [
-0.02159062,
0.07928131,
-0.3782438,
-0.09110203,
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0.3157295,
0.4696018,
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0.1501335,
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0.07527293,
0.03235801,
-0.2368923,
-0.178349,
-0.1019454,
0.3410735,
0.04214... |
The enamel--dentine junction of human and Macaca irus teeth: a light and electron microscopic study. | The enamel--dentin junction of human and Macaca irus teeth has been studied using light and scanning and transmission electron microscopy. There are differences between species and within the same tooth. Scalloping, when present, is more developed in the cuspal areas and approximally, and the scallops appear to be form... | 415,029 | [
0.4022368,
0.1022415,
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0.2946874,
0.004143703,
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0.3741845,
0.3577693,
0.09890108,
-0.2193239,
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-0.1925071,
0.3370816,
0.1375899,
-0.008215588... |
Mapping of a genetic locus that affects glycerol 3-phosphate transport in Bacillus subtilis. | Two types of fosfomycin-resistant mutants of Bacillus subtilis were isolated. Mutants of the first type (GlpT mutants) were resistant to at least 200 microgram of fosfomycin per ml and failed to take up exogenous glycerol 3-phosphate. Mutants of the second type were resistant to lower concentrations of fosfomycin and t... | 415,047 | [
0.1967392,
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0.3267905,
0.08843676,
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0.2639238,
0.1274391,
0.08338699,
-0.02565675,
0.4325252,
0.1119422,
-0.3965546,
... |
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