title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Effect of pimozide and sulpiride on the release of LH and FSH by pituitary cells in culture. | A culture of dispersed rat anterior pituitary cells was used to test the ability of pimozide and sulpiride to affect the basal gonadotropin release and their effects on the response to Gn-RH. Sulpiride did not alter either the basal or the Gn-RH-induced release of LH, and the lowest dose (500 ng/ml) seemed to potentiat... | 658,587 | [
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Neonatal ultrasounds elicited by odor cues. | Ultrasounds were monitored from neonatal rats following placement on 1 of 5 types of bedding material. Odors associated with the home cage or an adult male inhibited neonatal ultrasonic signaling. Odors associated with a novel lactating female elicited initially high rates of signaling, the rate lowering across the age... | 658,599 | [
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HLA phenotypes and diabetic retinopathy. | The incidence of HLA antigens B8, BW15, DW3 and DW4 was found to be significantly increased in 99 patients with growth onset, insulin-dependent diabetes of more than 15 years duration. Different degrees of retinopathy were seen in 75% of the patients. No significant correlation between the presence of specific HLA alle... | 658,631 | [
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[Diploid radiation gynogenesis in carp. III. Analysis of gynogenetic progeny by biochemical markers]. | Studies have been carried out on carp gynogenetic offspring by four autosome genes: Tf (transferrin), Est(s) (muscle esterases, slow), Est(f) (muscle esterases, fast), My (myogenes). Homozygosity and phenotypical homogeneity by all the loci studied are established for carps of the second generation of the induced gynog... | 658,664 | [
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[Genetic effects of induced in populations by the radioactive nuclear fission products of 235U. II. Prognostication of the genetic effectiveness of irradiation at low dose rates]. | Experiments have been carried out on Chlorella, beans, wheat and developing loach eggs to study the dose-response relationship (dose-function of dose rate) with 90Sr, 90Y and 147Pm as the sources of beta-radiation. The yield of point mutations in Chlorella under 147Pm and that of chromosome aberrations in cells of bean... | 658,666 | [
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Accelerated aging due to enzymatic racemization. | Thermodynamic racemization may be a cause of aging. Racemases might accelerate the aging process. If enzymatic racemization does accelerate aging, then the use of chemical or immunological inhibitors of racemases might retard aging. | 658,673 | [
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Rat coagulation factors V, VIII, XI, and XII: vitamin K dependent. | When rats were given single or multiple doses of warfarin, the levels of prothrombin and factors VII, IX, and X were depressed, as expected. However, modest reductions of factors V, VIII, XI, and XII, but not of fibrinogen, also occurred. The levels of all eight factors promptly returned to normal when vitamin K1 was g... | 658,784 | [
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Institutions and alternatives for older people. | A major national priority for older people is the provision of systems of social and medical care that may be applied to individuals in an effort to extend residence in the community or avert institutionalization altogether. Data reviewed here suggest that goals must be modest in attemtping to deinstitutionalize or ave... | 658,818 | [
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Stop the action: a program for parents of severely disturbed children. | Severely disordered children are frequently difficult to manage in an outpatient setting because of their disruptive actions. A brief period of hospitalization stops this action and allows professionals time to work with parents and correct dysfunctional family interactions. | 658,819 | [
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Interaction between cholinotropic and adrenotropic drugs on the histofluorescence of the central catecholamine structures in the rat. | Male Wistar rats were given phentolamine or phenoxybenzamine in the lateral ventricles in doses of 1 mg/kg. After 30 minutes they received in the same way atropine in doses of 1 mg/kg or carbachol in doses of 0.05 mg/kg. The control group was given physiological saline. The animals were decapitated 30 minutes after dru... | 658,835 | [
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Patterns of food sharing among mother and infant chimpanzees at Gombe National Park, Tanzania. | The patterns of food sharing among mother and infant chimpanzees at the Gombe National Park, Tanzania, are primarily influenced by the infants' ability to procure and process foods independently. Foods infants could find and process on their own were not shared by mothers as frequently as foods infants could not obtain... | 658,842 | [
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Pathological changes of peripheral nerve and muscle of patients with hemiatrophy. | Peripheral nerve and muscle of patients with hemiatrophy were biopsied and examined by means of light and electron microscope. The unmyelinated nerve fibers decreased in number and remaining fibers were atrophic with irregular shape and high electron density, while myelinated nerve fibers slightly decreased in number. ... | 658,844 | [
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Effects of thyroid deficiency at birth on deoxyribonucleic acid synthesis and deoxythymidine kinase activity in the developing rat brain. | In thyroid deficiency at birth, the endogenous pool sizes of cellular dTTP did not change much in the cerebellum, cerebrum and brain stem at the whole ages studied, but the specific radioactivities of dTTP, at 2 hours after the subcutaneous injection of [3H]-thymidine, apparently increased only in the cerebellum on the... | 658,847 | [
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"Syndrome malin"-like symptoms probably due to interaction between neuroleptica and oral antidiabetic agents. | In two cases of chronic schizophrenia complicated by diabetes mellitus, the concomitant use of the neuroleptica and oral antidiabetics was attended by the appearance of symptoms simulative of syndrome malin, i.e. hyperpyrexia, tachycardia, blood pressure instability, disturbances of consciousness, muscle rigidity, trem... | 658,848 | [
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Scuba diving accidents in Sweden 1960--1976. | Thirty "scuba" diving accidents (29 of them fatal) which occurred in Sweden during 1960--76 are listed. Nine of these are described in some detail. The probable causes of these accidents are evaluated, and suggestions for prophylactic measures are made. | 658,864 | [
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Cost improvement program generates major savings. | The rationale and components of a model for containing and reducing costs are described in this article. The project-oriented program, which uses cross-functional teams as well as individual participants, encourages employees to be aware of the need for cost effective performance. | 658,917 | [
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Calling Nurse Blaze: tailoring programs to fit human behavior. | Researchers conducted a study to analyze hospital fire safety procedures and training, with a particular emphasis on verbal alarm systems. Their findings are presented, along with recommendations for fire safety training and a suggestion from a verbal fire alarm message. | 658,919 | [
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Diagnostic testing as a cost factor in teaching hospitals. | The interpretation of laboratory tests by resident physicians is an integral part of the process of medical education. Therefore, the resident's awareness of the validity, reliability, and usefulness of laboratory tests and their alternatives, coupled with an analytical dialog between the supervising attending physicia... | 658,933 | [
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Plasma cell granuloma of the stomach. | A case of plasma cell granuloma of the stomach is described, only one similar case having been previously recorded. Differentiation from a neoplastic plasmacytoma was achieved by demonstrating the polyclonal nature of the plasma cells using an immunoperoxidase technique. | 658,968 | [
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Lymphomatoid granulomatosis: report of a case without pulmonary lesions and with ischemic colitis, probably a sequel to granulomatosis. | This article describes a case of lymphomatoid granulomatosis without active pulmonary involvement of stigmata of healed granulomatous lesions in the lungs. The patient had ischemic segmental colitis due to mesenteric arterial intimal fibrosis, which we interpreted as spontaneously regressed granulomatous involvement of... | 658,970 | [
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Histamine in nasal secretions. | The histamine content of secretions collected by small-volume nasal washes was assayed by a spectrophotofluorometric method. A wide range of histamine concentrations (less than 5-1,519 ng/ml) was found. The mean concentration in secretions from normal individuals (91 ng/ml) was not significantly different from that fou... | 659,012 | [
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The pattern of diseases of the skin in the Nigerian guinea savanna. | Eight thousand and thirteen patients were seen in dermatological clinics at Kaduna and Zaria in the Northern guinea savanna of Nigeria. Fungal infections were found in 1,224 cases and scabies in 923 cases, of which 765 patients had secondary infections. Similar results were found in other surveys from Sub-Saharan Afric... | 659,035 | [
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Tonsillectomy and circumcision: comparisons of two cohorts. | Changes in the prevalence of tonsillectomy and circumcision in eleven year olds are described in two birth cohorts spaced 12 years apart. Both types of operation were less prevalent in the later (1958) cohort; tonsillectomy fell by a fifth and circumcision by more than half. These falls were confined to tonsillectomy b... | 659,054 | [
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Differential effect of the rd mutation on rods and cones in the mouse retina. | The retinas of rd/rd C57BL/6J-rd le mice have been examined by light and electron microscopy to determine whether rod cell degeneration precedes cone cell degeneration. In all regions of the eye, a rapid rod degeneration precedes a much slower cone degeneration. Only about 2% of the rods remain in the posterior region ... | 659,071 | [
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[Lipoatrophia semicircularis in the male. Coincidence of arterial variations and micro-traumas as a possible disease cause]. | Semicircular lipoatrophy is a new entity with horizontal depressions involving half the circumference of thigh, on the antero-lateral aspect. After seven female patients we observed this condition for the first time in the male. Therefore semicircular lipoatrophy is not specific to the female. The cause could not be de... | 659,107 | [
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[Enzyme cytochemical studies of malignant cutaneous lymphomas using simple smear preparations]. | Cyto-morphological and enzyme-cytochemical investigations were carried out in five patients with lymphoreticular proliferations in the skin, using a simple smear technique. As purely morphological criteria allow only a limited differentiation of the infiltrate cells in the smears, enzyme-cytochemical methods were appli... | 659,116 | [
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[Experience with the Thermalsole-phototherapy in psoriasis vulgaris]. | Report on 250 patients suffering from psoriasis, who were treated by a new method. This consists of a bath in saturated sodium chloride water from a natural source followed by irradiation with ultraviolet light (maximal output at 350 to 400 nm and peak at 323 nm respectively). 84 percent of the patients showed clearing... | 659,117 | [
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[Effect of calcitonin, somatostatin and cimetidine on stress ulcer in rats]. | The prophylactic effect of calcitonin, somatostatin and cimetidine on stress ulcer formation in rats was investigated in two stress models: restraint + ketamin (4 h) and hypovolemia (4 h). The basis of the comparative study was a 70% inhibition of acid secretion for 4 h in pyloric ligated animals. This was achieved wit... | 659,226 | [
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[Pathophysiology of burns]. | Ultrastructural and metabolic alterations of the liver were studied in mice and rats after standardized "in vivo" burn injuries or i.p. injections of a specific cutaneous burn toxin. The main findings of the ultrastructural investigations were delayed and specific intramitochondrial vacuolizations appearing not before ... | 659,233 | [
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Why not saline nose drops? | Most respiratory tract infections are of viral origin. The nose is obstructed and bypassed. Dry air is inspired and this paralyses the ciliary mechanism. Body temperature falls and dehydration threatens the infant as water is lost by evaporation. Humidification by saline nose drops prepared and applied by the people th... | 659,261 | [
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[A contribution to the closing of perforations of the nasal septum (author's transl)]. | A method of closure of septal perforations is described. A wide pedicled flap of mucoperichondrium based by the inferior margin of the perforation is raised and having been rotated and drawn through closes the perforation on the one side. The defect is further patched by a composite retro-auricular graft, the cartilage... | 659,278 | [
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Anaplasmosis: a regional serologic survey and oral antibiotic therapy in infected herds. | A test and treatment program was conducted in northern Idaho and southeastern Washington to detect bovine reactors to Anaplasma marginale and to achieve anaplasmosis-free status in the herds tested. Of 3,920 cattle tested, 214 (5.5%) were reactors; 110 of the reactors (from 7 herds) were tested after being treated oral... | 659,312 | [
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Solution conformation of septamycin and its sodium salt. | The interpretation of the 300 MHz 1H-nmr spectra of septamycin (1) and its sodium salt (1+) allow one to extract most of the parameters revealing their resemblant conformations in solution. The backbone forms a pseudocyclic structure closed by head-to-tail hydrogen bonding between the carboxylate fragment and the OH-14... | 659,327 | [
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Biomodification of albocycline by Streptomyces venezuelae. | The macrolide antibiotic albocycline, when added to the fermentations of Streptomyces venezuelae UC-2560 (WC-3627) underwent a gradual loss of antimicrobial activity. The inactive product of this biotransformation was isolated from the fermentations and was shown to be 2,3-dihydroalbocycline. | 659,330 | [
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Tetrahydrofolate enzyme levels in Acetobacterium woodii and their implication in the synthesis of acetate from CO2. | Acetate synthesis from CO2 by Acetobacterium woodii may occur as in homoacetate-fermenting clostridia, as indicated by high levels of enzymes of the tetrahydrofolate pathway and by pyruvate-dependent formation of acetate from methyl-B12 and methyltetrahydrofolate. | 659,361 | [
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Private psychiatric practice: image and reality. | This study reports data collected from an individual private psychiatric practice. Despite the paucity of information concerning private practice, a popular image has evolved. An analysis of a sample of 400 patients' records confirmed certain aspects of this image, but suggested that other aspects of the image are misl... | 659,374 | [
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The psychiatrist and health insurance claims review. | Expanded health insurance benefits for the treatment of mental illness have obliged psychiatrists to devote more time to justifying psychiatric treatment to claims reviewers. The author, drawing from experience in utilization review and peer review, summarizes factors contributing to the denial of payment for psychiatr... | 659,375 | [
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Biochemical and ultrastructural evaluation of isolated rat liver systems perfused with a hemoglobin-free medium. | The viability of hemoglobin-free perfused rat liver was examined with respect to several liver functions and to the intactness of subcellular structures under electron microscopic observation. Provided that rat livers were perfused with the oxygenated buffer solution at a flow rate between 3 and 3.5 ml/min per g of liv... | 659,397 | [
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Susceptibilities of various myofibrillar proteins to muscle serine protease. | The ability of serine protease of skeletal muscle to degrade native myofibrillar proteins, such as myosin, actin, troponin, tropomyosin, alpha-actinin, and M-protein from rabbit skeletal muscle was studied. The amino acids or peptides liberated from these proteins by the protease were determined fluorometrically using ... | 659,401 | [
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Enhancement of fatty acyl-CoA oxidizing activity in rat liver peroxisomes by di-(i-ethylhexyl)phthalate. | The effect of di-(2-ethylhexyl)phthalate (DEHP) administration on cyanide-insensitive palmitoyl-CoA oxidizing activity in liver was studied. Two weeks of DEHP treatment increased the activity by one order of magnitude in male Wistar rats. A similar effect was also observed in male and female Sprague-Dawley rats and mic... | 659,402 | [
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Control of fatty acid metabolism in ischemic and hypoxic hearts. | The effects of whole heart ischemia on fatty acid metabolism were studied in the isolated, perfused rat heart. A reduction in coronary flow and oxygen consumption resulted in lower rates of palmitate uptake and oxidation to CO2. This decrease in metabolic rate was associated with increased tissue levels of long chain a... | 659,417 | [
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Kinetics of CO binding to and dissociation from microsomal cytochrome P-450 induced by phenobarbital in rat liver. | The kinetics of CO binding to hepatic microsomes from phenobarbital-treated Sprague-Dawley rats, measured by stopped flow spectrophotometry, can be resolved into three components with second order velocity constants of 2.23 +/- 0.35 X 10(5) M-1 S-1, 1.59 +/- 0.18 X 10(6) M-1 S-1, and 8.7 +/- 1.7 X 10(6) M-1 S-1. The th... | 659,421 | [
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Apparent rupture of the ventricular septum after myocardial infarction in an infant with congenital heart disease. | Clinical and angiocardiographic simulation of rupture of the interventricular septum, in an infant with an endocardial cushion defect and documented myocardial infarction is reported. Close straddling of a proven congenital muscular apical ventricular septal defect by trabeculae carne is believed to have led to the ang... | 659,496 | [
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Dysphagia lusoria: current surgical approach. | The presence of an anomalous right subclavian artery in a patient was a cause of dysphagia and ill-defined upper back pain. Her problem was ideally managed by the median sternotomy approach. With this exposure, the artery is divided and its origin from the aortic arch oversewn. Relocating the artery into the right uppe... | 659,504 | [
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Structure of interphase nuclei in relation to the cell cycle. Chromatin organization in mouse L cells temperature-sensitive for DNA replication. | Mutant lines of mouse L cells, TS A1S9, and TS C1, show temperature-sensitive (TS) DNA synthesis and cell division when shifted from 34 degrees to 38.5 degrees C. With TS A1S9 the decline in DNA synthesis begins after 6-8 h at 38.5 degrees C and is most marked at about 24 h. Most cells in S, G2, or M at temperature ups... | 659,512 | [
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Quantitative analysis of 6,11-dihydro-11-oxo-dibenz[b,e] oxepin-2-acetic acid (isoxepac) in plasma and urine by gas--liquid chromatography. | A method is described for the quantitative analysis of 6,11-dihydro-11-oxo-dibenz[b,e]-oxepin-2-acetic acid (isoxepac) in plasma and urine. Isoxepac and internal standard was analysed by gas-liquid chromatography using a flame ionization detector. The method is accurate and precise over the range 0.1--30 microgram/ml. ... | 659,525 | [
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New electron-capture gas-liquid chromatographic method for the determination of mexiletine plasma levels in man. | A method for the determination of mexiletine in human plasma by gas-liquid chromatography with electron-capture detection is described. Plasma samples are extracted at pH 12 with dichloromethane after addition of the internal standard, the 2,4-methyl analogue of mexiletine. A derivative is obtained using heptafluorobut... | 659,526 | [
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Simple gas-liquid chromatographic method for the measurement of disopyramide in blood-plasma or serum and in urine. | A simple method has been developed for the measurement of disopyramide in blood-plasma or serum at the concentrations attained during therapy. A relatively small (200 microliter) sample volume is made basic and extracted with 50 microliter of chloroform containing an internal standard, and the extract is analysed direc... | 659,563 | [
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Abnormal erythrocyte membrane protein pattern in severe megaloblastic anemia. | The erythrocyte membrane protein pattern of patients with megaloblastic anemia was determined by polyacrylamide gel electrophoresis in sodium dodecyl sulfate. In severe megaloblastic anemia, secondary either to folic acid or vitamin B12 deficiency, the erythrocyte membrane protein pattern was grossly abnormal, lacking ... | 659,579 | [
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Characterization of a carrier-mediated transport system for taurine in the fetal mouse heart in vitro. | Cardiac taurine levels are elevated in hypertension and congestive heart failure. A possible mechanism for this increase in taurine is an alteration of its uptake. We sought to identify and characterize a carrier-mediated transport system for taurine in the mammalian myocardium utilizing the fetal mouse heart in organ ... | 659,583 | [
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The mechanism of 5-methyltetrahydrofolate transport by human erythrocytes. | The mechanism involved in 5-methyltetrahydrofolate uptake by human cells is poorly understood. To more clearly elucidate this physiologically important process, transport of the vitamin was studied in human erythrocytes. 5-methyltetrahydrofolate uptake was found to increase with reticulocytosis, but measurable incorpor... | 659,590 | [
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3,3'-Diiodothyronine production, a major pathway of peripheral iodothyronine metabolism in man. | 3,3'-Diiodothyronine (3,3'-T(2)) has been detected in human serum and in thyroglobulin. However, no quantitative assessment of its clearance rate (CR), production rate (PR), or of the importance of extrathyroidal sources of 3,3'-T(2) relative to direct thyroidal secretion is yet available. This study examines these par... | 659,591 | [
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The role of glucagon deficiency in the Houssay phenomenon of dogs. | Plasma glucose, immunoreactive glucagon (IRG), and insulin were measured in hypophysectomized dogs receiving cortisol and thyroid replacement therapy. 4 wk after hypophysectomy mean fasting plasma glucose levels had declined from 90+/-2 mg/100 ml to 64+/-2; fasting and arginine-stimulated insulin and IRG levels were, r... | 659,597 | [
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... |
Increased adrenal sensitivity to angiotensin II in low-renin essential hypertension. | Studies were undertaken to determine if the dissociation of aldosterone and plasma renin activity in low-renin essential hypertension is due to altered adrenal responsiveness to angiotensin II. The responsiveness of the adrenal glands to angiotensin II was determined by infusing graded doses of angiotensin II into norm... | 659,608 | [
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... |
Choline pathways during normal and stimulated renal growth in rats. | Cellular membrane synthesis occurs during normal and stimulated renal growth. Choline in the kidney is utilized as a precursor for membrane synthesis via the choline kinase reaction. We investigated choline phosphorylation during normal and stimulated renal growth. Rapidly growing neonatal rat kidneys contained relativ... | 659,614 | [
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Factors influencing the handling of insulin by the isolated rat kidney. | The renal handling of immunoreactive insulin was studied in the isolated perfused normothermic rat kidney to determine (a) the relative contributions of glomerular clearance and peritubular clearance to the renal clearance of insulin under different conditions, (b) what metabolic factors influence the ability of tubula... | 659,630 | [
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0.2712996,
0.01170347... |
Projections to the inferior olive of the cat. II. Comparisons of input from the gracile, cuneate and the spinal trigeminal nuclei. | The present experiments compared the projections to the inferior olive of the cat from the gracile, cuneate and spinal trigeminal nuclei. A differential labeling strategy was used for these comparisons. It was found that all three somatic sensory nuclei project to portions of all three major divisions of the contralate... | 659,661 | [
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Ionic milieu of bovine and ovine rumen as affected by diet. | Postprandial changes in osmolality, mineral, and volatile fatty acid concentrations in rumen fluid were examined in three cattle fed six widely differing diets. Mineral concentrations varied with diet and postprandial time. However, net changes in postprandial mineral concentrations did not contribute significantly to ... | 659,685 | [
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Hypopigmentation at the site of application of a tourniquet. | Hypopigmentation at a site of application of a tourniquet has not to our knowledge been reported in the literature. We are reporting such a case. We have conjectured that this hypopigmentation may be due to temporary anoxia suffered by melanocytes. | 659,701 | [
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Assessing achievement for minimum academic competency. I. Instrument development. | Test instruments for evaluating The American Dietetic Association's Minimum Academic Competencies were developed and tested for four major instructional areas--food, nutrition, nutrition in disease, and management--relevant to professional sciences for general dietetics. The study consisted of four steps: Development o... | 659,757 | [
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Assessing achievement for minimal academic competency. II. Validity and reliability. | Research was undertaken to develop, administer, and evaluate two forms of a criterion-referenced test instrument for measuring the competency status of students graduating from undergraduate programs in general dietetics. Involved in the evaluation of the final forms were 186 students graduating from fourteen college o... | 659,758 | [
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Validity of the 24-hr. dietary recall and seven-day record for group comparisons. | The internal validity of a 24-hr. dietary recall and a seven-day dietary record was investigated among a group of non-institutionalized elderly subjects who were participating in a congregate meals program. Internal validity was assessed by comparing reported intake with unobtrusively obtained data on actual intake. Va... | 659,761 | [
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Relationship of age and biomedical risk factors to progression of coronary artery disease. | The relationship between age, biomedical risk factors and the progression of occlusive disease of the coronary arteries was studied in 176 patients (age range, 27-66 years) who had undergone at least two cine angiograms. The biomedical risk factors of interest were serum concentrations of cholesterol and triglycerides,... | 659,767 | [
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The evening meal and atherosclerosis. | A trial by any means that can possibly prevent or retard the development of arteriosclerosis is to be recommended. Arteriosclerosis is the chief cause of strokes and heart attacks. The heavy evening meal now in vogue is characteristically rich in animal fats. Normal digestion is at its peak at about the seventh hour, u... | 659,770 | [
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Hyaluronuria in a case of progeria. (Hutchinson-Gilford syndrome). | A classic case of progeria (Hutchinson-Gilford syndrome) in a 9-year-old Japanese boy is presented. The characteristic clinical features in this patient were similar to those reported in the literature. The total amount of acid glycosaminoglycans excreted in the urine was within the normal range, but there was an incre... | 659,773 | [
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Young adult, geriatric and aphasic group responses to simple analogies. | The efficiency of interactive language processing was compared in three groups: 25 young adults, 25 geriatric subjects, and 25 adult aphasic subjects. The task involved simple analogy completion. Data analysis included six categories of responses which represetned levels of convergence toward the expected relationships... | 659,777 | [
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[Arterial vascularization of the optic nerve trunk in humans (author's transl)]. | We study the arterial vascularization of the trunk of the optic nerve partialarly in its anterior part in human. We injected in the carotids, a mass of colored an radio opaque substance, in the whole cadaver that allows simultaneously a visual study and a radiologic control of the results. This one is completely insuff... | 659,795 | [
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[Morphological remarks concerning the venous circulation of the uveal tract (author's transl)]. | The author has undertaken a study of the means of drainage of blood from the chorio-capillary system. The veinules arise in three essential ways: "comb teeth", "palm" and "vortex". Study of the prevortical veins showed, in addition, the presence of numerous fine anastomotic vessels which unite the veins which run to th... | 659,801 | [
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A new dynamic model system for the study of capture reactions for diffusable compounds in cytochemistry. I. Description of the model with special attention to phosphate capture in acid phosphatase cytochemistry. | A model system is described for the investigation of the dynamics of precipitation processes in a matrix. In this system a solution containing the molecular species to be precipitated and the precipitating medium are pumped along opposite sides of a polyacrylamide film. The solutions flowing continuously along the film... | 659,837 | [
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The identification of the social sex-role stereotypes. | The purpose of this study was to identify the social sex-role stereotypes that exist in the nation. The hypothesis for this study was that the stereotypes for femininity and masculinity are dimorphous. To determine the extent of dimorphism, four social sex-role stereotypes were examined: masculine men, feminine women, ... | 659,844 | [
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Attitudes toward homosexuality and femininity in men. | College students were asked to express their liking for a male stimulus person who was described as either heterosexual or homosexual and as masculine or feminine. Subjects disliked the homosexual man more than the heterosexual man, regardless of his gender attributes. Subjects did not, however, consistently dislike th... | 659,848 | [
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Alteration of the fatty acid composition of membrane phospholipids in mouse lymphoid cells. | A simple method is described for introducing exogenous fatty acids into the membrane phospholipids of the murine leukemia cell EL-4, and into the membrane phospholipids of resting mouse lymphocytes. The method involves culturing of the cells with free or methylated fatty acids at concentrations up to 50 microgram/ml. T... | 659,868 | [
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Studies on the microcytotoxicity test. II. The uptake of amino acids ([3H]leucine or [75Se]methionine) but not nucleosides ([3H]thymidine or [125I]IUdR) or 51CrO24-provides a direct and quantitative measure of target cell survival in the presence of lymphoid cells. | We have studied the suitability of various commonly used radioactive materials for the direct post-labeling of adherent rat target cells in long-term cytotoxicity tests. The use of nucleosides at high concentration avoids the necessity of adding fluorodeoxyuridine to enhance nucleoside uptake by target cells, and reduc... | 659,896 | [
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Rabbit IgM: its isolation in high yield by a convenient procedure using serum from trypanosome-infected animals. | Rabbit sera contain little IgM. This is a major obstacle for its isolation. However, levels of IgM up to 10 mg/ml are found in rabbits infected with living trypanosomes. A simple procedure, involving gel filtration, standing in the cold, and agarose block electrophoresis is described which allows the isolation of IgM f... | 659,897 | [
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Clinical pharmacology of tobramycin in children. | The pharmacokinetics of tobramycin were evaluated in 50 pediatric patients (two to 18 years of age) with malignancies and normal renal function. Patients receiving either 240 or 300 mg/m2 per 24 hr (8 or 10 mg/kg per 24 hr) divided into doses given every 4 hr had peak serum concentrations (mean +/- standard error) of 3... | 659,916 | [
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Immunization with a human diploid cell strain of rabies virus vaccine: two-year results. | Antibody responses following primary vaccination with 1.0 ml of intramuscularly (im) or 0.1 ml of intradermally (id) administered human diploid cell rabies virus vaccine were observered for two years. Three primary doses of vaccine were given to 77 volunteers on days 0, 28, and 56. An antibody response was detected in ... | 659,922 | [
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Synergistic nephrotoxicity of amphotericin B and cortisone acetate in mice. | Striking mortality in mice receiving amphotericin B and cortisone acetate concomitantly prompted studies to characterize the toxic interaction of these two drugs further. Adult female CD-1 mice received daily injections of cortisone acetate (0--50 mg/kg subcutaneously) and/or amphotericin B (0--12.5 mg/kg intraperitone... | 659,923 | [
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A multi-locus continuous-time selection model. | A continuous time selection model is formulated for a diploid monoecious population with multiple alleles at each of an arbitrary number of loci, incorporating differential fertility and mortality as well as arbitrary mating and age structure. The model is simplified in the case of age-independence and for the case of ... | 659,990 | [
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The surface electrocardiogram in complete intra-his heart block. | In some cases, the surface ECG may be useful in predicting that the level of heart block is intra-His rather than supra-His. In five patients with third degree heart block the level of block was documented to be within the His bundle. In all five, the surface ECG showed an escape rhythm with QRS complexes of less than ... | 660,019 | [
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Construction of equal-hue discriminability scales for the pigeon. | Equal-hue discriminability steps for the pigeon are shown as tabular entries that can be summed or interpolated to produce sequences of equal discriminability steps of various step size. Equal-hue discriminability sequences can be constructed where the number of stimuli and spectral range are specified, or where an int... | 660,087 | [
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Group therapy in family medicine: part 1. | Group psychotherapy may often be the treatment of choice for patients whose somatic symptoms are a reflection of interpersonal difficulties which are not of sufficient magnitude to warrant referral to a mental health professional. This type of treatment can be offered in the context of family practice, with benefit to ... | 660,105 | [
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Instructor plays patient: an alternative to the case presentation method. | This article describes a teaching technique which provides an alternative to the usual case presentation for teaching small groups. In this method the instructor plays a patient, an intern, and a laboratory technician, while a group of students play the role of physicians. Students have the opportunity to deal with a c... | 660,108 | [
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The psychological effects of sudden infant death syndrome on surviving family members. | It has been estimated that 7,000 to 10,000 deaths each year may be attributed to Sudden Infant Death Syndrome (SIDS). Although some clinicians have published their personal observations regarding the psychological effects of SIDS on surviving family members, a literature search failed to reveal more thorough studies of... | 660,118 | [
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-0.133486... |
Cleavage defect in the non-structural polyprotein of Semliki Forest virus has two separate effects on virus RNA synthesis. | When Semliki Forest virus ts-4 mutant infected cultures are grown at the permissive temperature (28 degrees C) and shifted to the restrictive temperature (39 degrees C), two different defects in RNA synthesis are manifested: (i) the synthesis of 26S RNA is stopped within 60 min (Saraste et al. 1977) and (ii) the increa... | 660,163 | [
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0.1953736,
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0.1866175,
-0.08008148,
0.1127597,
0.3647732,
0.1853263,
-0.18749... |
Telephone transmission of all-night polysomnographic data from subjects' homes. | All-night sleep recordings, essential for obtaining measurements of sleep and for diagnosing various sleep disorders, have been restricted primarily to laboratory settings. Described here is a system to complete all-night-sleep recordings in subjects' homes. Eight electroencephalogram channels can be fed into a portabl... | 660,178 | [
-0.03433274,
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0.1173922,
0.1979903,
-0.3909035,
-0.06490232,
0.03018115,
-0.... |
Phenytoin dosage in ambulant epileptic patients. | Ambulant patients with recently diagnosed generalised or psychomotor seizure disorders or both were randomly assigned to two dosage regimens of phenytoin. Drug compliance was evaluated with subsequent blood phenytoin levels four to eight weeks after initial enrollment into the study. Although the two groups had similar... | 660,211 | [
-0.09583712,
0.3457311,
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0.1415089,
-0.4226804,
0.05473891,
0.05090903,
-... |
Laminar scars in cerebral white matter: a perinatal injury due to edema. | Branched plate-like demyelinated lesions were present in the gyral and central white matter of two individuals, 3 and 54 years of age. The degenerated areas contained very few axons and were densely gliotic, and in the older case, contained connective tissue fibers and were continuous with a large parenchymal cyst. The... | 660,218 | [
-0.1475011,
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0.154955,
0.1846118,
-0.1395795,
0.1834365,
0.2378976,
-0.09740227,
0.116... |
Interrelationship of aneurysm clips and vascular tissue. | Various straight-jawed aneurysm clips were tested for occluding capabilities on a vascular tissue model. Occluding pressures varied markedly among the clip styles and were altered by changes in the lumen and tissue composition of the model. Mechanical characteristics are highly variable between clip styles, but fall wi... | 660,244 | [
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0.1429782,
-0.01926367,
0.1659968,
0.3766036,
-0.1835984,
-0.04872358,
0... |
Evaluation of experimental spinal cord injury by measuring spontaneous spinal cord potentials. | The relationship between the spontaneous spinal electrogram and the degree of spinal cord injury was studied in anesthetic-free, surgically decerebrate cats that received experimental blunt trauma by the graded weight-drop method. It was found that the characteristic spontaneous slow negative potential of the spinal el... | 660,251 | [
0.01712385,
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0.3460861,
0.1190503,
0.1182848,
0.1809546,
0.1069097,
0.08407055,
0... |
Traumatic cerebrospinal fluid fistula simulating tears. Case report. | A young child developed delayed cerebrospinal fluid (CSF) rhinorrhea and CSF leak from the eye presenting as tears. The "tears" were CSF which had tracked from the cribriform plate through the ethmoidal air sinuses to the medial aspect of the left orbit. There was marked chemosis and it was considered likely that the t... | 660,257 | [
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-0.4853473,
0.06859659,
-0.1423009,
0.05794089,... |
A safe technique for the precise localization of carotid-cavernous fistula during balloon obliteration. Technical note. | The authors report a technique to precisely localize a fistulous opening in the carotid artery. The patient is heparinized and a Prolo catheter is introduced into the internal carotid artery and inflated distal to the approximate site of the fistula. Heparinization allows the balloon to be inflated long enough to obtai... | 660,261 | [
0.1318755,
0.2145802,
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0.3912239,
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0.1188515,
-0.03548087,
-0.08616215,
0.009390647,
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0.05057522,
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0.06619543,
0.0500089,
-0.1913423,
-0.1663684,
0.1276955,
0.2293186,
0.152782,... |
Kinetics of the human thyroid trap: a compartmental model. | Thyroidal pertechnetate was measured continuously in normal subjects for 40 min after i.v. injection, using a multicrystal camera. Digital counts (1-min increments) were read directly from the magnetic tape and summed for the thyroid area and for adjacent neck background. The net thyroidal data were used as the basis f... | 660,281 | [
-0.2737105,
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0.02773569,
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-0.1354241,
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-0.04300462,
0.009597527,
0.2972662,
0.2505478,
-0.103... |
Paroxysmal supraventricular tachycardia during theophylline therapy in a premature infant. | An episode of supraventricular tachycardia occurred in an infant born at 31 weeks' gestation after three days of therapy with theophylline 3.5 mg/kg every six hours. The infant had a plasma theophylline half-life of 24.7 hours and a low plasma theophylline clearance of 12.7 ml/kg/hour. The plasma theophylline concentra... | 660,340 | [
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0.04709187,
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0.2181249,
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-0.2392896,
0.2166127,
-0.09586748,
0.1440199,
0.3025688,
0.475226,
-0.03283054... |
Idiopathic hypercalciuria in children: prevalence and metabolic characteristics. | A group of 273 children with minor complaints was screened for idiopathic hypercalciuria by measurement of the urine Ca/Cr. Borderline or definitely high levels were noted in 17 of these children, 11 of whom were boys. More intensive metabolic studies were completed on four of these children and on three children who w... | 660,355 | [
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0.2444923,
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0.3216657,
-0.01615846,
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0.2330783,
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-0.174952,
0.03151399,
0.1472505,
-0.1155206,... |
Development of Nuttallia danii (Protozoa: Babesidae) within tick salivary glands cultured in vitro. | Development of the protozoan parasite Nuttallia danii was observed in salivary glands which were extirpated from Hyalomma anatolicum excavatum nymphs, fed as larvae on infected gerbils and held in organ culture. At 34 C the parasite continued developing in the cultured glands at a rate similar to that observed under no... | 660,383 | [
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0.3327329,
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0.2226627,
-0.1030876,
-0.143262,
0.2374146,
0.09154211,
0.1528075,
... |
Locus of control and effects of failure on perfomance and perceived competence. | Reactions to related performance feedback of 117 internal and external eighth-grade children were investigated under conditions which made denial of personal responsibility for outcomes difficult. Both internals and externals were equally pleased by success feedback and displeased by failure and their competence judgem... | 660,398 | [
-0.2190106,
-0.06030565,
0.1743819,
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0.07048721,
-0.2406642,
-0.5571826,
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-0.3779444,
0.1134901,
-0.347846,
-0.0881335,
-0.09294702,
-0.08876055,
-0.053854... |
The utility of two Wechsler Adult Intelligence Scale short forms with prisoners. | Previous research has suggested that the Pauker (1963) and Satz and Mogul (1962) short forms of the WAIS have been efficacious in estimating the standard form. While there is a growing need in correctional settings for quicker evaluation procedures, the lack of WAIS short form research with prisoners prohibits their us... | 660,403 | [
-0.1241892,
0.06291943,
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0.326754,
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0.1117249,
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0.1531825,
0.1619009,
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0.2153517,
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-0.01169018,
0.1242762,
0.1654493,
-0.005870995,
... |
Colorimetric determination of catecholamines by 2,3,5-triphenyltetrazolium chloride. | A convenient spectrophotometric method was developed for the determination of epinephrine, levarterenol, isoproterenol, and methyldopa by reduction of 2,3,5-triphenyltetrazolium chloride and subsequent measurement of the formazan at 485 nm. With absolute alcohol as the solvent, maximum color absorption was attained in ... | 660,454 | [
-0.1534097,
0.2733203,
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0.1684844,
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0.09927127,
0.3460326,
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0.07184249,
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0.4407057,
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0.09296741,
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0.5812528,
0.2305421,
-0.2623283,
-0.0460704,
... |
Effect of formulation factors on penetration of hydrocortisone through mouse skin. | The effect of formulation factors on the steady-state flux of hydrocortisone through mouse skin was evaluated. The flux of hydrocortisone from solutions containing propylene glycol as a cosolvent varied inversely with the propylene glycol concentration. Solutions containing 2-propanol gave flux values higher than those... | 660,457 | [
0.03039778,
-0.2010823,
0.02110546,
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0.404807,
0.125397,
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0.01893821,
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0.01820525,
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0.009008625,
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0.462942,
0.2703061,
-0.1711873,
-0.1039554,... |
Quantitative GLC determination of cis- and trans-isomers of doxepin and desmethyldoxepin. | A GLC method for the simultaneous quantitative determination of the cis- and trans-isomers of doxepin and desmethyldoxepin in human plasma was developed. The method involves the use of a capillary column for efficient separation of the four compounds and the internal standards, amitriptyline and nortriptyline. A high s... | 660,461 | [
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0.2897282,
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0.03564142,
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0.01966992,
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0.08702219,
0.04960112,
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-0.5982018,
0.232954,
-0.08366341,
0.1135915,
0.02007965,
0.0629635,
0.09951222,
-0... |
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