title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Origin of embryo-derived yolk sac carcinomas. | The origin of yolk sac carcinoma obtained from rat embryos transplanted to extrauterine sites was traced to the extraembryonic portion of 9-day egg-cylinders. Under appropriate conditions cells of the extraembryonic portion of the egg cylinder differentiate into cells of parietal yolk sac epithelium, continue to prolif... | 844,919 | [
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[Efficiency of various B vitamins in zein base diets]. | Lots of growing rats consume ad libitum rations based on zein (diets A), or zein partially supplemented in lysine and tryptophan (= protein quality of maize) (diets B), or zein supplemented in amino acids to fill totally its deficiencies (diets C). The diets contain 15 mg of niacin, 1.5 mg of thiamine, 2.5 mg of ribofl... | 844,946 | [
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The effect of riboflavin deficiency on white cell glutathione reductase in rats. | 1. The measurement of glutathione reductase in white cells from peripheral rat blood is described; the contribution from red cell glutathione reductase was virtually eliminated. 2. The activation of the white cell enzyme by flavin adenine dinucleotide (FAD) in vitro was measured during an eight week period of dietary r... | 844,948 | [
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Ovarian neoplasms and pregnancy. | Sixteen cases of benign cystic ovarian neoplasms (13 serous cystadenomas and 3 dermoids) were discovered among 5,616 pregnancies. The only serious complication was torsion of the ovary containing the tumor in one case. | 844,971 | [
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Cesarean section for twin pregnancy in Ibadan, Nigeria. | During an 11-year period, 23,524 deliveries were conducted at the University College Hospital, Ibadan; 4,360 (18.5%) were delivered by cesarean section, 49 of which were associated with twin pregnancy. The main indications for this operation in twin pregnancy were prolapsed umbilical cord, previous cesarean section sca... | 844,974 | [
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Unilateral gonadectomy does not alter contralateral intraocular pressure in rabbit eyes. | The purpose of this study was to determine whether unilateral gonadectomy caused any change in intraocular pressure. Repeated measurements in 22 male and nine female rabbits after unilateral gonadectomy were made by three different methods of determining intraocular pressure. We were unable to find a decrease in intrao... | 844,980 | [
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Heatstroke in the dog: a polysystemic disorder. | The early stages of heatstroke in 3 dogs were characterized by hyperthermia, hyperpnea, tachycardia, depression, vomiting, diarrhea, and dehydration. Laboratory signs of hepatocyte degeneration and necrosis were detected. Clinical and laboratory changes characteristic of acute primary renal failure developed several da... | 845,081 | [
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The effects of modelling on the contingent praise of mental retardation counsellors. | A multiple-baseline design was used to evaluate the effects of a simple modelling procedure on the contingent praise of five counsellors while they conducted hygiene-training sessions in toothbrushing and hand-and-face washing with severely retarded children. After varying numbers of baseline sessions, each counsellor ... | 845,099 | [
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Ultrastructure of Butyrivibrio fibrisolvens: a gram-positive bacterium. | The cells of bacteria of the genus Butyrivibrio are universally described as being gram negative, and they produce an unequivocal gram-negative reaction in the standard staining procedure. However, their cell walls contain derivatives of teichoic acid, which are characteristic of gram-positive cells. In this study, the... | 845,122 | [
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Chemical modification of spinach ferredoxin. Properties of acetylated spinach ferredoxin. | The acetylation of spinach ferredoxin by acetic anhydride modified about four moles of amino groups. The absorption spectra, CD spectra, the fluorescence of sole tryptophan residue and the biological activity of acetylated ferredoxin were investigated. An equilibrium existed between two different states, D- and N-form,... | 845,128 | [
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Regulation of Protein Synthesis in Hen's oviducts. I. Removal of extracellular and intracellular proteins and their effects on protein synthesis. | The minced oviducts prepared from laying hens contained considerable amounts of extracellular proteins (about 60 mg per g of the wet oviducts), which could largely be removed (about 80%) by washing four times with chilled 5rebs-Ringer-Tris buffer, pH 7.6. When the washed, minced oviducts were incubated at 37 degrees wi... | 845,134 | [
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epsilon-(gamma-Glutamyl)lysine cross-links in human stratum corneum. | epsilon-(gamma-Glutamyl)lysine has been found in human stratum corneum in the fraction containing the alpha helical fibrous proteins (keratins) and other high molecular weight proteins. The S-carboxymethylated fractions were enzymatically digested with pronase, carboxypeptidase A and B, leucine aminopeptidase and proli... | 845,147 | [
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Relationship of nuclear estrogen receptor levels to induction of ovalbumin and conalbumin mRNA in chick oviduct. | Oviduct nuclei from laying hens, or from chicks given an optimal dose of estrogen, contain receptors with a high affinity for 17beta-estradiol (apparent Kd of about 3.7 nM) at a concentration of about 10,600 molecules per tubular gland cell. Chicks withdrawn from estrogen stimulation exhibit a 7-fold lower level of nuc... | 845,159 | [
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Radiotracer techniques for protein adsorption measurements. | Factors which contribute to measurement errors associated with the use of radiotracers to measure protein adsorption are considered. Techniques for removal of excess adsorbent solution and for estimation of surface area are described. Artifacts induced by the incorporation of a radio-label both by specific adsorption o... | 845,183 | [
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Reactions of human platelets with microspheres of poly(hydroxymethyl methacrylate) and polyacrylamide. | We have studied the contact interaction of platelets with hydrogels. In the form of microspheres, 0.6-1.0 mu, poly(glycol methacrylate) (polyHEMA) and poly(methyl methacrylate) beads cause platelets to aggregate at concentrations of about 10(8) beads/ml. Polyacrylamide and (20/80) poly(acrylamide-HEMA) copolymer were i... | 845,184 | [
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Harrington instrumentation and spine fusion for unstable fractures and fracture-dislocations of the thoracic and lumbar spine. | Of forty patients with unstable fractures and fracture-dislocations of the thoracic or lumbar spine treated with Harrington instrumentation and spine fusion, thirty-five had a neural deficit (twenty-three with incomplete or cauda equina lesions and twelve with complete lesions). Laminectomy or posterolateral decompress... | 845,197 | [
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The four biomechanical stages of fracture repair. | Based on analysis of the torque-angle curves and roentgenographic findings in fifty-three healing tibial fractures in rabbits tested in torsion to failure, four biomechanical stages of fracture healing were defined, as follows: Stage I--failure through original fracture site, with low stiffness; Stage II--failure throu... | 845,202 | [
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Late infection after total hip replacement. | Four patients who developed deep infection of six hips, on average three and a half years after total replacement by McKee-Farrar prostheses, are described. In each case there was strong evidence that the source of the infection was a distant focus. | 845,227 | [
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The preformed socket and modular assembly for primary amputees. | A method is described by which an artificial limb can be fitted as soon as an above-knee or below-knee amputation wound is healed, by using preformed sockets which enable the prosthetist to fit the limb within the hour. The method has been found safe, and better than other methods previously described to facilitate the... | 845,232 | [
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High-pressure liquid chromatographic studies of TCC and metabolites in experimental animals and man. | A reversed-phase high performance liquid chromatographic (HPLC) procedure for the analyses of 3,4,4'-trichlorocarbanilide (TCC) and its free and/or conjugated metabolic products in plasma/serum in described. A rapid, effective clean-up procedure, prior to chromatographic evaluation, involves a single-step combined prot... | 845,240 | [
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Comparison of thirty-seven strains of Vd-3 bacteria with Agrobacterium radiobacter: morphological and physiological observations. | Thirty-seven cultures of Vd-3 bacteria, isolated from clinical specimens, were characterized morphologically and physiologically. The cultures produced positive reactions when tested for oxidase, urease, nitrate reduction, phenylalanine deaminase, oxidative metabolism of carbohydrate substrates, and 3-ketolactose produ... | 845,244 | [
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Studies of the mechanism of contralateral polyuria after renal artery stenosis. | Acute renal artery stenosis in hydropenic dogs caused a contralateral increase in urine volume and free water clearance without change in glomerular filtration, renal blood flow, or osmolar clearance. The increase in urine volume was not dependent on the development of hypertension since it occurred in animals pretreat... | 845,253 | [
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Pre-eclampsia presenting with deep jaundice. | Pre-eclampsia complicated by deep jaundice occurred in a previously healthy primigravida. The main aetiological factor was disseminated intravascular coagulation; this caused both haemolysis and liver cell necrosis. Liver biopsy showed fibrin thrombi in the capillaries with microhaemorrhages and loss of periportal live... | 845,270 | [
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Afferent connections of the habenular nuclei in the rat. A horseradish peroxidase study, with a note on the fiber-of-passage problem. | The afferent connections of the habenular complex in the rat were examined by injecting horseradish peroxidase (HRP) into discrete portions of the habenular nuclei by microelectrophoresis. 1. HRP deposits confined to the lateral half of the lateral habenular nucleus labeled a multitude of cells in the entopeduncular nu... | 845,280 | [
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Catecholamine-induced release of [3H]-Gpp(NH)p from turkey erythrocyte adenylate cyclase. | Incubation of Gpp(NH)p-activated adenylate cyclase in the presence of isoproterenol caused the release of bound [3H]-Gpp(NH)p, and the decline of activity to the basal state. The isoproterenol-induced release of the nucleotide was proportional to the decrease in adenylate cyclase activity. Since there is a large excess... | 845,287 | [
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Membranes of mammary gland. XII. Loosely associated proteins and compositional heterogeneity of bovine milk fat globule membrane. | Electrophoretic patterns of polypeptides of milk fat globule differed quantitatively depending on extent of washing during membrane preparation. This was due to selective loss of loosely associated, extrinsic membrane proteins. Major polypeptides with apparent molecular weights of 155,000 and 43,500 and membrane glycop... | 845,288 | [
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Changes in portal blood metabolites and insulin with feeding steers twice daily. | Four Holstein steers surgically prepared with a device for sampling from the portal vein were used to examine changes in concentrations of metabolites and insulin in portal blood with scheduled meals. The animals were fed a complete mixed ration (3.4 kcal/g digestible energy) twice daily at three intakes. Blood was sam... | 845,289 | [
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The renal lesion associated with total lipodystrophy. | This report concerns a 41-year-old man with total lipodystrophy associated with a specific renal disorder. He had massive proteinuria, mild azotemia and a normal level of serum complement in addition to the generalized loss of subcutaneous fatty tissue. Results of 1 50-gm glucose tolerance test indicated a high fasting... | 845,358 | [
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0.1856496,
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Cuta neous basophil responses in neonatal guinea pigs: active immunization, hapten specific transfer with small amounts of serum, and preferential elicitation with phytohemagglutinin skin testing. | Previous studies have demonstrated a failure to elicit delayed hypersensitivity skin responses in neonatal guinea pigs despite apparent immunologic competence of their lymphocytes and monocytes. The ability of neonatal guinea pigs to manifest cutaneous basophil hypersensitivity (CBH) responses was examined. Neonates we... | 845,431 | [
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0.05026263... |
Biometrical implications of factorial experiments for the study of lymphocyte mitogenic response. | Lymphocyte responsiveness to mitogens is affected by a number of experimental variables; the latter may be conveniently studied several at a time, following a factorial design that allows the complete evaluation of the effects of each variable and of their interplays. Statistical inferences may be drawn through an anal... | 845,447 | [
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Hamster ear model for sebaceous glands. | The ventral side of the earlobes of Syrian hamsters richly endowed with sebaceous glands. These glands are large and are similar to human sebaceous follicles since they have an infundibulum, a sebaceous duct, multiple lobules, and a pilary unit which enters from below into the gland. In this study we have measured glan... | 845,450 | [
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... |
Cholestrol and cholesteryl ester content in normal and pathologic scale. | Using a sensitive new assay, we have measured the cholesteryl ester and cholesterol contents of stratum corneum from callus, normal skin, psoriatic lesions (plantar and nonplantar), and lamellar ichthyotic lesions (plantar and nonplantar). Cholesteryl ester content of normal stratum corneum was significantly higher tha... | 845,455 | [
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Sterol metabolism studies in the rat. Effects of primary bile acids (sodium taurochenodeoxycholate and sodium taurocholate) on sterol metabolism. | Sterol metabolism studies using a combination of isotopic and chromatographic procedures were carried out in rats fed either a low-cholesterol stock diet or a stock diet containing 0.1% cholesterol. The primary bile acids, sodium taurochenodeoxycholate and sodium taurocholate, were added to the stock diets at a level o... | 845,503 | [
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[Determination of the urinary metabolites hydroxyindole-acetic acid, vanillyl mandelic acid and homovanillic acid by means of lipophilic gel chromatography and gas chromatography (author's transl)]. | A specific and practicable method is described for the quantitative determination of urinary phenol- and indole-carboxylic acids. High specificity is achieved by a preliminary separation of the free acids (extracted from the urine sample) with the aid of organophilic gel chromatography on Sephadex LH 20, followed by ga... | 845,547 | [
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... |
Acquisition and retention of verbal associations to olfactory and abstract visual stimuli of varying similarity. | The similarity among a set of stimuli used in a paired-associate (PA) task was controlled by psychological scaling. Three lists of odorants and two lists of abstract figures (forms) with six stimuli in each list were constructed to have varying degrees of intralist similarity. Independent groups learned to associate di... | 845,550 | [
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Suppression of acute and chronic experimental allergic encephalomyelitis in Strain 13 guinea pigs. A clinical and pathological study. | Adult inbred Strain 13 guinea pigs develop an acute, fatal form of experimental allergic encephalomyelitis (EAE) about 2 weeks after a single injection of isologous spinal cord in complete Freund's adjuvant (CFA), but similarly injected juveniles develop a delayed, rarely fatal chronic form. Thirty-seven sensitised adu... | 845,617 | [
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0.016625... |
The exclusion of L-isoleucine or of L-leucine from the brain of the rat, caused by raised levels of L-valine in the circulation, and the manner in which this exclusion can be partially overcome. | The amino acids L-isoleucine, L-leucine and L-valine appear to compete for a shared transport carrier for entry into the brain of the living rat, since high concentrations of L-valine in the plasma reduced the influx both of L-isoleucine and of L-leucine into the brain to 10-15% of the normal. The exclusion of L-isoleu... | 845,619 | [
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Traumatic lumbosacral meningocele. Case report. | A case of traumatic avulsion of the L-5 and S-1 nerve roots is described. Surgical intervention was undertaken and long-term functional recovery obtained. | 845,640 | [
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... |
Terminal ventriculostomy for syringomyelia. | The clinical course of 12 patients who underwent terminal ventriculostomy for syringomyelia is presented. Opening the central canal at the tip of the conus medullaris is a relatively benign procedure that improves the symptoms of syringomyelia and syringobulbia. This canal normally terminates at the tip of the conus, b... | 845,650 | [
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0.09928668,
... |
Fasting-induced hypoglycemia in experimentally malnourished rats. | The ability to withstand a fasting stress as related to glucose homeostasis was studied in malnourished rats. Young male Wistar rats were fed a low-protein (D), or a low-protein, low-energy diet (M) containing, respectively, 4% protein with 70% carbohydrate (D) and 4% protein and 45% carbohydrate (M). They were compare... | 845,676 | [
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... |
Formation of oxalate in pyridoxine or thiamin deficient rats during intravenous xylitol infusions. | Glucose, fructose, sorbitol and xylitol were assessed as precursors of oxalate in normal rats and rats deficient in thiamin or vitamin B-6. Urinary excretions of oxalate, glyoxylate and glycine were increased significantly in vitamin B-6 deficient rats infused with xylitol when compared with all other groups. Using [U-... | 845,682 | [
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0.552528,
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... |
Effect of vitamin A deficiency on intestinal cell proliferation in the rat. | Cell division kinetics and the biochemical composition of the small intestine of normal and mildly vitamin A-deficient rats have been examined. Thymidine labeling index, growth fraction and the content of DNA, RNA and protein in the jejunal mucosa were not significantly affected by vitamin A deficiency. On the other ha... | 845,693 | [
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0.... |
Milk production, nitrogen utilization and glucose synthesis in lactating cows infused postruminally with sodium caseinate and glucose. | Four lactating Holstein cows were used in a 4 X 4 Latin Square design to determine the effects of postruminally administering sodium caseinate and/or glucose on milk production, milk composition, nitrogen utilization, amino acid utilization by the lactating mammary gland and glucose turnover rate. An 8.5% increase in m... | 845,699 | [
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0.1533554,
0.0776457... |
Dietary-induced variations in urinary taurine levels of college women. | Dietary-induced variations in the urinary taurine excretion of healthy college women were investigated. Data were collected in three metabolic studies in which nutritionally adequate diets of constant composition were fed. Variables included isonitrogenous natural food and semi-purified diets; taurine, cystine and meat... | 845,702 | [
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... |
Rectoplasty with posterior triangular colonic flap--a radical new operation for Hirschsprung's disease. | Rectoplasty with posterior triangular colonic flap was devised as a new operation for Hirschsprung's disease with the purpose of eliminating the anastomotic leakage that was encountered in rectal myotomy with colectomy, retaining the original intent of the operation. The procedure was carried out on 15 patients. Postop... | 845,764 | [
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0... |
Infraumbilical entry into the peritoneal cavity through a small incision for the identification and cannulation of an umbilical artery. | An infra-umbilical entry into the peritoneal cavity through a small incision, without anesthesia, for the identification and cannulation of an umbilical artery was employed for monitoring and therapy in five prematurely born neonates. The extra-peritoneal approach to umbilical artery identification and cannulation had ... | 845,770 | [
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0.2172395... |
Giant craniopharyngioma evaluated by computerized axial tomography. | The advent of computerized axial tomography (CAT scan) has augmented the neurologic diagnostic armamentarium dramatically. The ability of the CAT scan to differentiate and accurately locate various intracranial densities in a noninvasive manner makes it a very valuable method of investigating craniopharyngiomas. Becaus... | 845,771 | [
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Male homosexual psychodynamics and the Rorschach test. | A review of contradictory findings regarding Wheeler's Rorschach content signs of male homosexuality suggested that negative findings may have resulted from a focus on homosexual populations characterized by minimal arousal of underlying unconscious conflicts. It was hypothesized that activating these unconscious psych... | 845,773 | [
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0.1195032,
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0.02558384,
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0.1928085,
0.3278677,
0.05666... |
Ego-delay and vocational behavior. | Two hypotheses derived from ego analytic vocational theory were tested using neuropsychiatric patients referred for vocational rehabilitation procedures. Subjects who obtained higher ego-delay scores derived from a time estimation technique were found to obtain higher vocational aptitude scores and higher levels of voc... | 845,782 | [
-0.1587046,
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0.4778334,
0.04887654,
... |
Spectrofluorometric determination of substituted tetrahydrocarbazoles by a methylene blue sensitized photolytic reaction. | A spectrofluorometric method was developed for the determination of 6-chloro-9-[2-(2-methyl-5-pyridyl)ethyl]-1,2,3,4-tetrahydrocarbazole-2-methanol hydrochloride and its carboxylic acid analog in blood and urine. It involves extraction of both compounds at neutral pH, either from blood into ethyl acetate (the residue o... | 845,801 | [
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0.6261183,
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0.3624749,
0.2434213,
0.1057293,
0.1633517... |
Quantitative assay of physostigmine in human whole blood. | A quantitative assay for measuring physostigmine in human whole blood is described. Blood samples are maintained at 37 degrees, and cholinesterase activity is measured periodically. The time required for enzyme reactivation is related to physostigmine concentration. The precision of the method is within +/- 4% over a p... | 845,806 | [
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0.04224255,
0.2411394,... |
Microteaching, feedback, dogmatism, and nonverbal perceptiveness. | This exploratory study examines the relationship between various conditions of feedback in peer microteaching, the personality dimension dogmatism, and nonverbal perceptiveness. Ss were 74 trainee teachers who were assigned to feedback conditions on the basis of dogmatism scores and then participated in a seven-week tr... | 845,836 | [
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0.2781004,
0.6129626,
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0.1244215,
... |
Personality correlates of semantic habits in the deaf. | The relationships between personality characteristics and semantic habits were explored with use of The Sixteen Personality Factory Questionnaire, Form E, and a measure of semantic habits. Ss were 102 deaf male and female college students. The results, analyzed separately by sex, showed a few significant relationships.... | 845,838 | [
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0.07797444,
0.019304... |
[Cerebral malformations in the oro-facio-digital syndrome of Papillon-Leage and Psaume (author's transl)]. | Six children with an oro-facio-digital syndrome (Papillon-Leage and Psaume) underwent pneumoencephalography. In 3 cases, the examination was normal. In 3 cases, severe abnormalities were discovered. These abnormalities included: agenesis of the corpus callosum (3/3); a markedly asymmetric skull with enormous porencepha... | 845,839 | [
0.07701804,
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... |
Synthesis and analgesic activity of human beta-endorphin. | The solid-phase synthesis of human beta-endorphin is described. A yield of 32% is achieved based on starting resin. The synthetic product behaves as a homogeneous peptide in partition chromatography, paper electrophoresis, thin-layer chromatography, disc electrophoresis, amino acid composition, and a tryptic map. The s... | 845,862 | [
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... |
Uptake and fate of water-soluble, nondegradable polymers with antiviral activity in cells and animals. | Poly(9-vinyladenine) and poly(1-vinyluracil) which are nondegradable, soluble polymers are taken up partially by mammalian cells grown in culture. The polymers remain associated with cells for several generations. In mice, after ip application, polymers slowly accumulate in liver, spleen, and thymus and remain there fo... | 845,868 | [
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Physician profiles in training the graduate internist. | Twenty-one members of a graduate internal medicine training program were studied to determine whether feedback of simple ambulatory practice profiles would prove valuable in their training program. Each physician was profiled every three months with regard to number of patients seen, average cost of ancillary testing p... | 845,912 | [
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University of Ottawa modified systems program. | A modified systems program has been developed at the University of Ottawa which incorporates advantages of the systems approach into whole-class teaching without increasing demands on staff. Basic science instruction is given in the first two years in preclinical departments. A total of 387 lecture and laboratory hours... | 845,914 | [
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Cation permeability ratios of sodium channels in normal and grayanotoxin-treated squid axon membranes. | Permeabilities of squid axon membranes to various cations at rest and during activity have been measured by voltage clamp before and during internal perfusion of 4 X 10(-5) M grayanotoxin I. The resting sodium and potassium permeabilities were estimated to be 6.85 X 10(-8) cm/sec and 2.84 X 10(-6) cm/sec, respectively.... | 845,934 | [
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Comparative analysis of the hindgut in two species of protura (Insecta, Apterygota). | The proturan hindgut consists of two regions, with different ultrastructure. The anterior region is organized into three primary longitudinal folds alternating with three smaller, secondary ones. In Acerentomon each primary fold in a cross section contains one or two cells showing all the structures which are involved ... | 845,963 | [
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Sense organs on the antennal flagellum of psocids (Insecta, Psocoptera). | The sense organs on the antennal flagella of five species of winged psocids belonging to two families of Psocoptera, Psocidae and Leptopsocidae, have been examined, All agree in possessing tactile hairs, thick-walled chemoreceptors and long, porous chemoreceptors. Thin-walled chemoreceptors were identified in all speci... | 845,967 | [
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A new class of infectious agents detectable by the production of chorioallantoic membrane lesions by human lymphoblastoid cell lines and their culture supernatants. | Intravenous injection of cells and their tissue culture supernatants (CS) from human lymphoblastoid cell lines (LCL) induced the formation of lesions on the chorioallantoic membrane (CAM) of the chicken embryo. Injection of cells and CS from non-LCL and normal human lymphocytes induced few or no lesions. Irradiated chi... | 845,990 | [
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Inhibition of DNA synthesis of synchronized RSa cells by human leukocyte interferon. | A human leukocyte interferon preparation suppressed DNA synthesis and subsequent mitosis of synchronously growing virus-transformed human RSa cells. DNA synthesis was inhibited completely when interferon was added to cell cultures in late G1 phase, but was not so inhibited when interferon was added in G1/S boundary pha... | 845,992 | [
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The risk of neurologic damage with fractures of the vertebrae. | The incidence of spinal cord injury with spine fractures and dislocations is approximately 14% of the total as ascertained from a survey of these injuries in Northern California, and 17% of traumatic spinal cord injuries gave no overt radiographic evidence of vertebral injury. Patients sustaining fractures of the verte... | 846,019 | [
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Volume-dependent parameters in essential hypertension. | Blood pressure, renal blood flow, total blood volume (TBV), plasma renin activity, and vascular reactivities to angiotensin and norepinephrine were studied in 48 normotensive subjects and 106 essential, sustained, hypertensive patients with normal renal function, balanced sodium intake, and urinary output. A significan... | 846,072 | [
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0.073268... |
Effects of training on the visual recognition of consonants. | Visual recognition of consonants was studied in 31 hearing-impaired adults before and after 14 hours of concentrated, individualized, spechreading training. Confusions were analyzed via a hierarchical clustering technique to derive categories of visual contrast among the consonants. Pretraining and posttraining results... | 846,196 | [
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Myxoma of bone. Report of three cases. | Three cases of myxomas of bone are presented. No similar tumor, except in bones of the jaw, was found in a study of more than 6,000 bone tumors in the files of the Mayo Clinic to Jan. 1, 1976. These three tumors were found in a series of about 5,000 lesions of bone in patients sent to the Mayo Clinic for consultation. ... | 846,224 | [
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Further evidence on the relative performance of proprietary and nonprofit hospitals. | Proposed implementation of health systems agencies (HSA) gives potentially large roles to consurers and local government officials. The paper argues that there will be a tendency for HSAs to discriminate against proprietary hospitals. It is important, therefore, to have information on whether proprietaries belong in an... | 846,235 | [
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0.02030882,
0.03657995,... |
[Animal experiments concerning oesophagogastrostomy in oesophageal replacement of the stomach (author's transl)]. | After resection of the esophagus, the transposition of stomach should be preferred to the interposed colon, because it is technically simpler, can be performed in a shorter time and is only seldom followed by reflux. If the fundus is to be used for the anastomosis with the esophageal stump, a good blood circulation of ... | 846,280 | [
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0.1236247,
0... |
Hypertriglyceridemia in Ehrlich ascites carcinomatous mice: tumor and mouse strain differences. | Ehrlich ascites carcinoma growth in mice induces hypertriglyceridemia. The degree of hypertriglyceridemia found in one laboratory (Spector's) was much greater than we observed in our laboratory. Moreover, major differences were reported with respect to fasting (no effect on tumor extracellular fluid triglyceride levels... | 846,297 | [
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Studies on long chain cis- and trans-acyl-CoA esters and Acyl-CoA dehydrogenase from rat heart mitochondria. | The beta-oxidation of long chain fatty acids was investigated in a preparation of rat heart mitochondria. The acyl-CoA esters of the cis and trans isomers of delta9-hexadecenoic, delta9-octadecenoic, delta11-eicosenoic, and delta13-docosenoic acids were prepared. Rates of the acyl-CoA reaction were determined with an e... | 846,301 | [
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0.2959593,
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Positional isomers of unsaturated fatty acids in rat liver lipids. | The fatty acids of liver lipids from rats raised on a fat free diet from the 30th to the 90th day after birth were analyzed with special regard to the detection of positional isomers of mono-, di-, tri-, and tetraenoic fatty acids. The methyl esters obtained after transesterification of total lipids were separated by a... | 846,319 | [
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Sterol composition and phytosterol utilization and metabolism in the milkweed bug. | Analysis of the sterols of the milkweed bug, Oncopeltus fasciatus (Dallas) and dietary sunflowerseeds revealed that there is little, if any, conversion of dietary C28 OR C29 phytosterols to cholesterol in this phytophagous insect. The dietary sterols are apparently utilized with little alteration both during developmen... | 846,322 | [
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The pseudothrombophlebitis syndrome. | Sixty-two patients with popliteal or calf synovial cysts defined by arthrography are presented, of whom 34 had the pseudothrombophlebitis (PTP) syndrome. While the clinical manifestations of PTP may closely mimic thrombophlebitis, including the presence of calf pain, swelling and warmth, and a positive Homans' sign, th... | 846,388 | [
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Alpha-adrenergic control of growth hormone release during surgical stress in man. | The mechanisms involved in the initial release of growth hormone (GH) during cholecystectomy have been studied after the administration of phentolamine in saline and in isotonic glucose, and after the administration of 10% glucose. Infusion of these substances was started 10 min before and terminated 30 min after skin ... | 846,406 | [
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0.5270354,
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Drowning and near-drowning in the Australian Capital Territory: a five-year total population study of immersion accidents. | A total population study of all serious immersion accidents is reported from the Australian Capital Territory. The annual immersion accident rate of 4-69 per 100,000 of the population at risk is low, and the fresh water fatality rate of 2-58 per 100,000 is very low. The annual fatality rate for childhood swimming pool ... | 846,422 | [
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Increased DNA polymerase and ATP-dependent deoxyribonuclease activities following DNA damages in mycobacterium smegmatis. | Treatment of growing cultures of Mycobacterium smegmatis with alkylating agents (methyl methanesulphonate, ethyl methanesulphonate, nitrogen mustard, or mitomycin C) or with ultraviolet light resulted in enhanced specific activities of a DNA polymerase and of an ATP-dependent deoxyribonuclease. Similar results had prev... | 846,485 | [
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Repair of radiation-induced single-strand breaks in DNA of barley embryo. | Repair of single-strand breaks induced by gamma-irradiation was studied in barley embryos. Nuclei were isolated from embryos at specified times after initiation of water absorption under different temperature conditions. From the shift of the peak of DNA in alkaline sucrose gradient, it was observed that clear repair o... | 846,490 | [
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Influenza A infections in young children. Primary natural infection and protective efficacy of live-vaccine-induced or naturally acquired immunity. | To assess the impact of an influenza A/Port Chalmers infection on normal young children, we monitored 147 children during an epidemic; 121 were seronegative. There was a high attack rate (61 of 147), and a high rate of symptomatic disease (38 of 147), which resulted in frequent physician visits (25 of 38). Influenza ac... | 846,492 | [
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Arteriography of the anterior communicating aneurysm. | Optimal projections for the delineation of anterior communicating aneurysms were investigated by means of model experiments and the results applied to 30 clinical cases. The oblique half-axial, the oblique orbital, the full axial, and the reverse oblique projections proved useful adjuncts to conventional projections in... | 846,649 | [
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... |
[Principles in the treatment of arthrosis of the cervical vertebrae]. | Electromyographic variations by means of acupuncture. Electromyography is carried out in the treatment of severe arthrosis of the spinal column where radiology has shown a narrowing of the intervertebral spaces. Electromyography is also useful for determining the variations shown by the nerve during acupuncture. | 846,676 | [
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[Solitary granuloma in ocular Toxocara-canis infection (Canine round worm)]. | Two cases of Toxocara canis infection are reported. They presented a solitary granuloma at the posterior ocular pole. The eyes affected by parasites were practically blind. In the first case the condition was discovered accidentally on a pre-employment examination; in the second case, after a change of doctor - the pre... | 846,694 | [
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The Riley-Day syndrome. Familial dysautonomy, central autonomic dysfunction. | The Riley-Day syndrome is characterized by a dysfunction of the autonomous nervous system, sensory disturbances, neurological disorders, psychical anomalies and important ophthalmological symptoms, such as absence of tears, corneal anaesthesia, keratinized conjunctiva and cornea; myosis after instillation of methacholi... | 846,696 | [
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0.1550095,
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-0.1541218,
0.01556033,
-0.3351667,
0.05391195,
0.09319375,
0.1044788... |
The development of intramedullary cavitation following spinal cord injury: an experimental pathological study. | It is concluded from this investigation that localised intramedullary cavitation will develop following non-disruptive spinal cord trauma if the magnitude of original trauma and resulting vascular damage is sufficient. Although an adhesive arachnoiditis also occurs with similar amounts of trauma, the initial vascular d... | 846,751 | [
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0.2404245,
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0.1838636,
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0.04210122,
0.1226797,
0.06117... |
Spondylotic deformity of the lumbar spine and previous lumbar punctures. | Iatrogenic acute spondylytis with secondary bacterial meningeal infection following lumbar punctures was observed in an 11 month old Negro boy. The infection healed but led to a spondylotic deformity of the lumbar spine. | 846,769 | [
-0.06294992,
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0.0013695,
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0.4262024,
-0.02997047,
-0.115650... |
Alternative pathway of complement in sickle cell disease. | Thirty-one patients, 10 months to 20 years of age, were studied. A complement abnormality was not identified in sera from patients with sickle cell disease (SCD) by the methods employed in the present study. Concentrations of C3, factor B, total hemolytic activity (CH50), properdin, and C3b inactivator were similar in ... | 846,782 | [
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0.3112092,
0.1062804,
0.2871161,
0.3510926,
0.01146591,
... |
[Relative uptake of 99mTc-diphosphate and its temporal change in bone diseases]. | Quantitative regional measurements of the distribution of a bone seeking radiopharmaceutical is performed easily together with a bone scan using a scintillation camera. Comparative measurements of regional radioactivities yield a ratio of relative uptake. The time change of such a relative uptake ratio is obtained by ... | 846,864 | [
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0.02147151,
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0.04009376,
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0.11568,
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0.101571,
0.1585848,
0.3821581,
0.4133994,
0.1532174,
0.03471769,
... |
[Utilization of cortisol and corticosterone by the tissue in thermal burns]. | Clinico-experimental studies were made of the level of cortizol and corticosterone in the tissue fluid of burn vesicles and the blood plasma flowing from the burned and intact body areas; the character and the extent of entrance into the tissues and utilization by them of these hormones was assessed. Along with the inc... | 846,977 | [
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0.3365853,
0.4166937,
0.3406229,
0.09548281,
-0.231479... |
Extraordinary cardiac effects of 16-epi-gitoxin in comparison to ouabain in cats and dogs. | The contractility and arrhythmogenic effects of 16-epi-gitoxin and ouabain were studied in dogs. ECG alteration-producing and lethal doses of both glycosides were determined in cats. 16-Epi-gitoxin was found to be a glycoside with rapid onset and short duration of action. In case of equal contractile increment ouabain ... | 847,013 | [
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0.3923537,
0.2479359,
0.1115784,
0.08894941,
0.2632844,
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-0.... |
Orbital expansion for anophthalmia and micro-orbitism. | In severe cases of microphthalmos or anophthalmos, the bony orbital cavity is often too small to allow one to create a satisfactory socket for a prosthesis. An omnidirectional expansion of the orbit, by osteotomies done in a step-like fashion, allows the creation of a larger bony cavity and improves the symmetry of the... | 847,025 | [
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0.2546545,
-0.1890713,
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0.136761,
0.07243805,
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0.2824114,
0.2367332,
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0.224537,
-0.09202243,
-0.01307868,
... |
Abdominoplasty assessed by survey, with emphasis on complications. | Some 958 surgeons replied to a survey designed to determine the complications of abdominoplasties. The results appear in this paper. We believe that the patient contemplating an abdominoplasty and the surgeon planning it should be aware of the unpleasant reality of these complications, which range from the annoying to ... | 847,027 | [
0.0315314,
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-0.2797549,
0.296867,
0.1910027,
-0.0167217... |
Stomach symptoms and up-down metaphors and gradients. | Previous work demonstrated a relationship in an ulcer patient between stomach pain during psychotherapy sessions and preoccupation with up-down themes. The generality of this phenomenon was investigated by determining in normal males the relationship of number of stomach symptoms to various up-down parameters. A signif... | 847,084 | [
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0.2047087,
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-0.406,
0.09727782,
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0.2572507,
-0.1330137,... |
A method of instructing in the affective domain. | As we continually strive to teach our students the increasingly sophisticated aspects of our profession, we must also be sure to include planned instruction for the development of their value system. Through the use of values clarification techniques, various strategies may be designed and inserted into the curriculum. | 847,119 | [
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0.228961,
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0.1385034,
-0.4570479,
0.1304322,
0.2580619,
0.04971795,
0.0922968... |
The columnar-lined esophagus--analysis of 26 cases. | A review of 26 cases of columnar-lined (Barrett's) esophagus suggests that this lesion is more common than generally appreciated, usually arising consequent to reflux esophagitis. The radiologically detectable lesions frequently do not support the idea that Barrett's esophagus presents only with high esophageal ulcer a... | 847,130 | [
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0.3023345,
0.2053611,
-0.05822793,
0.3570709,
0.1208964,
-0.06235658,
... |
Radioscintigraphy in the diagnosis of upper airway obstruction. | Radiological and scintigraphic patterns in patients with upper airway obstruction are discussed. In contrast to the multiple hot spots of radioaerosol in bronchial asthma, localized spots were demonstrated in the neck and mediastinum. The sites correspond to those of severe obstruction of upper airways confirmed by tom... | 847,136 | [
0.0555433,
0.293469,
-0.2881382,
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0.354261,
0.2421922,
-0.008314492,
... |
Cytotoxic and radiosensitizing effects of 5-thio-D-glucose on hypoxic cells. | The effect of 5-thio-D-glucose on the viability and radiosensitivity of P815-X2 mouse mastocytoma cells was studied in vitro. By itself, this compound is specifically cytotoxic toward hypoxic cells; moreover, it sensitizes hypoxic cells to irradiation while it protects aerobic cells from radiation damage. These feature... | 847,150 | [
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-0.2604303,
-0.04820351,
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-0.01758533,
-0.1052019,
0.5069737,
0.09825684,
0.1235416,
-0.052... |
Autoradiographic studies of distribution in the stomach of 99mTc-pertechnetate. | The histological and cytological distribution of 99mTc-pertechnetate in animal stomachs was studied by autoradiography. Unlike halogens, technetium is handled predominantly by the gastric surface mucosal cells. The parietal and chief cells have little or no role in the gastric secretion of Tc-pertechnetate. | 847,152 | [
-0.08747091,
-0.2663085,
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0.1871901,
0.1572403,
0.3517773,
0.1910159,
0.3515219,
-0.0700105... |
Magnetic removal of foreign bodies from the upper gastrointestinal tract. | The authors describe a simple method of removing objects such as bobby pins and straight pins from the upper gastrointestinal tract. A small but strong magnet such as the one used in a magnetic potholder is inserted in a nasogastric tube and passed through the mouth and nasopharynx under fluoroscopic control until it m... | 847,155 | [
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0.01904383,
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0.03095814,
-0.2393317,
-0.1906995,
0.320695,
0.2428096,
0.06909908... |
Faster-flow enema equipment. | The author describes a new 127-mm (1/2-inch) bore disposable plastic enema system for administration of the viscous barium used in double-contrast colon examinations. The larger internal diameter permits simple, rapid instillation and drainage of the suspension. Faster flow in and out results in less discomfort to the ... | 847,157 | [
-0.3123781,
0.172396,
-0.08876716,
-0.005291107,
-0.04578796,
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-0.2951989,
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0.2798726,
0.1880305,
0.0955... |
Chondrolysis following slipped capital femoral epiphysis. | Chondrolysis of the hip following slipped capital femoral epiphysis (SCFE) is reviewed and 3 cases are presented. The roentgenographic findings and early symptoms may serve to warn the radiologist and clinician of the onset of chondrolysis. Chondrolysis without SCFE is rare. Unfortunately the etiology is not well under... | 847,195 | [
-0.3363899,
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0.1496783,
0.01814437,
0.1326472,
0.2424171,
0.2293921,
-0.10178,
-0.12... |
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