title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Iodine deficiency produces hypercalcemia and hypercalcitonemia in rats. | To determine the effect of thyroid-stimulating hormone (TSH) on secretion of calcitonin by the thyroid, 50 male Sprague-Dawley rats were randomly separated into seven groups. The groups received different diets, medications, or operations [propylthiouracil (PTU), iodine-deficient diet, (LID), acute or chronic thyroxine... | 644,456 | [
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Randomized trial of adjuvant therapy for "high risk" primary malignant melanoma. | Retrospective pathological classification of 213 patients with malignant melanoma identified a group at high risk of recurrence (25% developed recurrence in 12 months, 50% by 5 years) after resection for apparent cure. Using these criteria, 70 patients were identified after resection of all apparent disease as being at... | 644,461 | [
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Congenital central nervous system malformations and vinyl chloride monomer exposure: a community study. | Incidence rates for central nervous system (CNS) malformations in infants born to residents of Kanawha County, West Virginia, 1970-1974, were significantly higher than comparable United States rates during those years. Since Kanawha County contains a polyvinyl chloride (PVC) polymerization plant, a case-control study w... | 644,500 | [
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Teratogenicity of ethylenethiourea and thyroid function in the rat. | Ethylenethiourea (ETU) was given by gavage at a dose of 40 mg/kg/day from Days 7 through 15 of gestation to hypothyroid and euthyroid rats, and to rats given exogenous thyroxine, to determine whether ETU teratogenicity occurs through alteration of maternal thyroid function. At sacrifice on Day 20 of gestation 84-100% o... | 644,504 | [
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Introduction of a method of valvuloplastic esophagogastrotomy in proximal gastrectomy. | A technique of valvuloplastic esophagogastrostomy is proximal gastrectomy to control postoperative reflux esophagitis is reported. After proximal resection of the stomach, the medial stump is closed in two layers. The mucosal layers of the lateral stump are sewn but leaving the seromuscular layers open. The esophagus i... | 644,590 | [
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[Therapy of carcinoma of the gingiva: results of radiotherapy and combined therapy in 88 patients in the years 1950 to 1976 (author's transl)]. | The results of radiotherapy alone or in combination with surgery in the treatment of 58 patients with primary cancer of the gingiva and 30 patients with primary cancer of the buccal mucosa and secondary manifestation on the gingiva are represented. More than 60% of the patients after combined treatment survive symptoml... | 644,597 | [
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Experimental cerebral infarction. Part 3: Protective effect of mannitol in thalamic infarction in dogs. | Whether or not mannitol can prevent infarctions in ischemic brain tissues was investigated utilizing the thalamic infarction model in dogs. Twenty dogs were divided into equal control and mannitol treatment groups. Temporary 4 vessel clipping for 60 minutes was adopted as the standard procedure for both groups. The onl... | 644,618 | [
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Delayed pentobarbital therapy of acute focal cerebral ischemia. | The efficacy of pentobarbital in the delayed treatment of acute cerebral ischemia was investigated in cats. Cerebral ischemia was produced by left middle cerebral artery (LMCA) ligation. Ten cats received 50 mg/kg of pentobarbital prior to ligation; a second group of 10 cats received the same dose of pentobarbital 2 hr... | 644,622 | [
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Implenting family planning in a Ministry of Health: organizational barriers at the state and district levels. | 1. Family planning occupied a subordinate position in the medical and health bureaucracy almost two decades after its introduction. Senior Ministry officials accorded low priority to formal program objectives, while the State Family Planning Officer, the highest state official concerned solely with the family planning ... | 644,632 | [
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Differences between physicians and nurses in providing family planning services: findings from a Bogota clinic. | Having nurses provide a variety of services generally available only from physicians is one way to overcome shortages of physicians in family planning programs. To aid in determining if the quality of care provided by nurses is comparable to that of physicians, a study at a Profamilia clinic in Bogota, Colombia, evalua... | 644,633 | [
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Suppression of human cytotoxic lymphocytes by methylprednisolone. An immunosuppressive mechanism of action of steroids. | In order to gain insight into the immunosuppresive mechanism of action of corticosteroids, an in vitro model of the cellular immune response was used to study the effect of methylprednisolone on human lymphocyte-mediated cytotoxicity. Concentrations from 0.25 to 10 microgram/ml were equally effective in producing 74% s... | 644,647 | [
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The multicellular spheroid as a model tumor allograft. I. Quantitative assessment of spheroid destruction in alloimmune mice. | A quantitative model for the assessment of in situ immunity to solid tumor allografts has been developed. Multicellular spheroids of murine EMT6 mammary sarcoma cells were implanted in the peritoneal cavity of normal or specifically alloimmune mice. Damage to spheroids was quantitatively assessed at various times by tr... | 644,649 | [
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[Investigations on the susceptibility of Mastomys natalensis to Trypanosoma (trypanozoon) brucei gambiense (author's transl)]. | Mastomys natalensis ("redeyed variant") proved to be as susceptible as suckling rats to infections with Trypanosoma (Trypanozoon) brucei gambiense (14 passages after isolation). The susceptibility of M. natalensis and rats was significantly higher than that of mice. After 21 further passages the T. (T.) b. gambiense st... | 644,653 | [
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The impact of in-situ balloon occlusion of the renal artery and hypothermic perfusion on renal blood flow. | Unilateral renal blood flow was evaluated in-situ in 13 dogs by cineangiodensitometry and microsphere distribution studies before and after intermittent balloon occlusion with and without hypothermic perfusion of one kidney. The contralateral kidney served as control. No significant difference in renal blood flow and v... | 644,730 | [
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[Osteoangiography in early diagnosis of acute hematogenic osteomyelitis of the long tubular bones in children]. | 33% cardiotrast of 70% verographin were used for the vessels contrasting. Osteoangiography was carried out in 61 cases suspected for acute hematogenic osteomyelitis (AHO). The age of patients ranged from 2 to 5 years. The diagnosis was proved in 53 cases. In 8 children osteoangiography permitted to cancel the diagnosis... | 644,761 | [
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[Criteria of radical sector resection in mastopathy]. | Statistical investigations of morphological structure in 2 groups of patients with localized forms of fibroadenomatosis (93 observations) have been carried out. Histological findings of the morphological picture have been received both within the localized fibroadenomatosis sites and beyond them. The character of the d... | 644,790 | [
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Functional infertility in sheep. | Most studies on reproductive efficiency in sheep have concerned the prolificacy of the ewe and the lambing rate of the flock. Some work has been done on reproductive failure but this has seldom separated fertilisation rate from embryonic and fetal loss. Inadequate attention has been given to the level of barrenness in ... | 644,812 | [
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Transmission studies with bovine malignant catarrhal fever. | The intravenous administration of whole blood from a pathologically confirmed field case of bovine malignant catarrhal fever (MCF) resulted in the appearance of the disease in three of five experimental calves 18 to 28 days later. Infection was maintained by serial calf transmissions, and produced clinical and patholog... | 644,823 | [
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[Cytomorphological characteristics of glandular hyperplasia of the endometrium]. | Cytomorphological pictures of smears prepared from endometrial aspirations and scrapings from 50 patients with glandular endometrial hyperplasia were analysed. Different vaiants of cell and tissue structures are described. It was shown that the difficulties in interpretation of smear elements might result from dystroph... | 644,963 | [
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[Persistence of Sindbis virus in cultures either non-producing or irregularly producing oncornavirus]. | Persistence of Sindbis virus (SV) was studied for 9 months in two lines of mouse cell cultures (BALB/C) in one of which the genome of endogenous ecotropic oncornaviruses was repressed. The other lines was exogenously infected at the level of plimary culture with Rauscher leukemia virus (RLV) and SV and showed gradual i... | 645,057 | [
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[Maintenance metabolism in glucose-limited chemostat cultures of Streptomyces hygroscopicus]. | Investigations with the mycelium forming bacterium Streptomyces hygroscopicus IMET JA 6599 in glucose-limited chemostat cultures gave a maintenance coefficient of m = 0.031 h-1. This low maintenance coefficient corresponds to those of moulds (RIGHELATO et al. 1968, CARTER et al. 1971). With a simple model structured in... | 645,108 | [
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[The cardiovascular risk profile of subjects with normal, marginally disordered and proven pathological glucose tolerance]. | In 1.035 persons with reduced glucose tolerance (borderline diabetics, diabetic biophan G test admissions, spontaneous admissions and diabetics treated already for a longer time) the cardiovascular factors of risk over-weight (Broca-weight greater than or equal to 110%), hypertension (RR greater than or equal to 160/an... | 645,141 | [
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[Urinary hydroxyproline excretion in liver cirrhosis]. | In 50 patients with a laparoscopically ascertained liver cirrhosis the hydroxyproline excretion was estimated in the 24-hour-urine. There could not be found any significant differences between hydroxyprolinuria in normal persons and in patients with liver cirrhosis. The increased hydroxyproline excretion is an unspecif... | 645,148 | [
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[Studies of stress-conditioned somatotropin secretion. Discussion note on the paper of F.E. Ulrich, U. Schneyer and K. Seige, Ber.Ges.Inn.Med.10,92 (1976)]. | Before the beginning of a glucose infusion test already in the test preperiod a stress-induced STH-increase could be observed in 76 of 153 protodiabetics. There was no statistically clear relation between the STH basal value and the size of the STH reaction. The stress-induced STH reaction neither can be classified to ... | 645,150 | [
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[Radiocardiographic assessment of the effect of digoxin on heart conduction insufficiency]. | On 29 patients with heart insufficiency radiocardiographical investigations in rest and under stress were carried out before and after treatment with digoxin. Here it was shown that in existing functional insufficiency the determination of the stroke volume and of the minute volume in rest after digitalisation did not ... | 645,154 | [
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[Metabolic changes in experimental burns in the rabbit]. | This study contributes to the experimental investigation of thermic injuries and their metabolic sequels. A model for burns is created in rabbits and normal values determined. Preliminary results are reported for shifts of hemoglobin, hematocrit, and erythrocyte count, as well as for changes in levels of proteins, elec... | 645,159 | [
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Chemotactic activity of lectins in vitro. | The effects of concanavalin A (Con A) and leucoagglutinin (LA) on the locomotor response of phagocytes have been studied in vitro. At concentrations of 1 to 4 microgram/mol, Con A and LA induced maximal chemokinesis and chemotaxis of monocytes, macrophages and, to a lesser degree, also of neutrophils. The lectin-induce... | 645,177 | [
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Allpurinol hypersensitivity syndrome: effects and treatment. | There have been recent reports of a characteristic hypersensitivity syndrome associated with the use of allopurinol. The authors describe this syndrome, emphasizing predisposing factors and clinical features. | 645,192 | [
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0.1257033,
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0.1915002,
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0.008144019,
-0.01890342... |
[Psychoanalytical-psychophysiological studies on patients with a functional cervical syndrome]. | In two patients with painful muscle tension in the cervical area, the surface electromyogram of the neck was registered continuously during psychoanalytically orientated talks as an indirect measure of the changing tensions. The talks were videorecorded and afterwards analysed with the patient in conjunction with the c... | 645,236 | [
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... |
[Changes in the untreated partner of the patient during analytical psychotherapy]. | 50 married patients, who after a prognostical judgement had been treated psychoanalytically at the Institut für Psychogene Erkrankungen der AOK Berlin, were examined catamnestically. In the partially structured interview symptomatic and structural changes within the patients and especially within their partners were in... | 645,237 | [
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... |
[Diagnostics and therapy of benign bone tumours (author's transl)]. | The diagnosis of benign bone tumours must be confirmed histologically; only in rare cases this can be omitted. After having identified the kind of tumour, a specific therapy must be established, covering a wide range, like excochleation as well as amputation. Malignant degeneration and high rates of relapse are possibl... | 645,260 | [
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0.35... |
[Bone tumour register and therapeutic centres (author's transl)]. | This report deals with bone tumour centres in Dresden and Cottbus (G.D.R.). The data registered were computerized. A reference centre as suggested by the WHO is described with respect to the tumours of bones. | 645,261 | [
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... |
[Determination of residual bilirubin binding capacity in the serum of newborn infants using bromphenol blue]. | In serum specimens collected from premature infants the residual bilirubin binding capacity was determined by a direct spectrometric method using bromphenol blue. The bindingin capacity determined in this way is strongly correlated to the serum bilirubin level. Changes in binding capacity are shown during the first 16 ... | 645,286 | [
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[The meteorological factors influencing the number of man-hours lost by workers in the engineering industry (author's transl)]. | For 4,000 men aged from 35 to 50 years, all employed in an industrial plant in Poznan a record was made of the daily number of the first sick-notes issued as a result of accidents, acute inflammation of the respiratory tract and exacerbation of chronic diseases which accounted for a total of 82 per cent of the absence ... | 645,291 | [
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0... |
[The sex factor and mental disorders of advanced age]. | With the aid of a clinico-statistical method the authors studied 1514 patients older than 60 years. The following facts were found. There was prevalence of females in schizophrenia, circular psychoses, neurosis, atherosclerosis and senile dementia. Depressive syndromes were more often seen in females, subaffective and ... | 645,321 | [
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0.1010565,
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[Detecting patients at higher suicidal risk by psychological criteria]. | On the basis of an experimental psychological analysis of the personality features in patients with suicidal tendencies the conclusion is made that an important role in the decision to commit suicide (84%) is allocated to such forms of thinking as unisignificant subjective models, a nonrepresentation in their developme... | 645,323 | [
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The collagen of the gingiva and of its blood vessels. | The collagen of the gingiva and that of its blood vessels of several animal species and of man were studied with the scanning electron microscope following corrosion with pancreatin at 0.3%. The gingival collagen forms fundamental cells or fasciculi that are distributed throughout the entire territory. In the interior ... | 645,335 | [
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... |
Development of perifocal edema in experimental epilepsy induced by cobalt-gelatin. | Two blood-borne tracers, Evans-blue albumin (EBA) and colloidal-iron (Ferrlecit) were applied to visualize the development of perifocal edema in experimental epilepsy induced by cobalt-gelatin (Co-gelatin). This model is known to produce central necrosis with gliomesenchymal scar and peripheral transitory zone in the b... | 645,355 | [
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0.1253... |
Short-latency ventilatory responses to sudden withdrawal of hypoxia at normal and raised body temperature in man. | Approximately isopnoeic conditions (VE=40 l/min) were achieved by the inhalation of asphyxial gas mixtures (PA,O2 60 torr, PA,CO2 40-45 torr) in normothermia after a rise in rectal temperature of 1.6 degrees C had been induced by a heated flying suit. Arterial chemoreceptor drive was transiently reduced by either isoca... | 645,371 | [
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0.08657469,... |
Prostaglandin-mediated inhibition of noradrenaline release: IV. Prostaglandin synthesis is stimulated by myocardial adrenoceptors differing from the alpha- and beta-type. | The release of prostaglandin E elicited by sympathomimetic amines was studied in the isolated rabbit heart. The hearts were prepared according to Langendorff, with conventional recording of stroke frequency and contractile force. Assays were made of the outflow of PGE during exposition to equimolar concentrations of me... | 645,381 | [
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Roentgen stereophotogrammetry for determination of daily longitudinal bone growth in the rabbit. | The spatial location of points in an object can be determined by roentgen stereophotogrammetry. A technique of high accuracy was applied in a determination of the daily skeletal growth of young rabbits. The tibia was labelled with tantalum markers on each side of the growth zones, and the increasing distance between th... | 645,428 | [
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... |
Hemodynamic effects of prostaglandin E1 on lambs in utero. | Fetal tissues and the uteroplacental circulation are known to be exquisitely sensitive to the prostaglandins. E-series prostaglandins cause generalized vasodilatation in mature animals. This phenomenon is observed in the fetus but its effects are markedly obscured by the decrease in umbilical-placental flow. Comparison... | 645,506 | [
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Benign intracranial hypertension. | Although antecedent factors are occasionally implication, most cases of benign intracranial hypertension are idiopathic and occur in young adult women who otherwise appear healthy. The natural course is usually one of spontaneous recovery, although medical intervention may accelerate improvement. Computerized tomograph... | 645,534 | [
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A field evaluation of noise-induced temporary threshold shift. | Noise-induced temporary and permanent threshold shifts of 9 brewery workers were obtained by means of 6 hearing tests during two consecutive days. Subjects had been exposed 6 to 8 hours daily to a bottling noise for approximately 15 years. Results confirm that empirical rules predicting exponential growth and recovery ... | 645,558 | [
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Assessment of cardiac performance with quantitative radionuclide angiocardiography: right ventricular ejection fraction with reference to findings in chronic obstructive pulmonary disease. | A reproducible noninvasive technique for measuring righ ventricular ejection fraction was developed using first pass quantitative radionuclide angiocardiography. Studies were obtained in the anterior position with a computerized multicrystal scintillation camera with high count rate capabilities. Right ventricular ejec... | 645,599 | [
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A light and scanning electron microscopic study of the basial papilla in the salamander, Ambystoma tigrinum. | The basilar papilla and basilar recess of Ambystoma tigrinum have been investigated by light and scanning electron microscopy. The recess is an evagination of the lagena, and is invested externally by dense periotic connective tissue, except over a thin area of one wall abutting against a periotic diverticulum communic... | 645,611 | [
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... |
Development of the diarthrodial joints in the rat embryo. | The development of appendicular synovial joints of both legs was studied with histological and histochemical techniques in 43 rat embryos aged 12 to 21 days. From this and previous studies, it appears that joints develop by a sequence of cellular events leading to a full expression of the phenotypic characteristics. Th... | 645,613 | [
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0... |
The analytic basis for the use of platelet estimates from peripheral blood smears. Laboratory and clinical applications. | Estimation of the platelet count from examination of peripheral blood smears is a widely practiced procedure, but statistical validity to judge the accuracy of the technic has been lacking. More than 400 patients' platelet estimates and counts were analyzed to develop a simple working formula to permit a reasonably acc... | 645,636 | [
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Leiomyomatosis peritonealis disseminata. An ultrastructural study. | Electron microscopic features of the eighth documented case of leiomyomatosis peritonealis disseminata identify the main proliferative cell type as a mature leiomyocyte with all its associated ultrastructural features. The histogenesis of this neoplasm is considered to be a multicentric metaplastic change determined by... | 645,645 | [
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Behavioral treatment of obesity in children. | The development of behavioral techniques for the control of obesity in children is reviewed. Techniques developed for the treatment of obese adults have recently been modified for use with children, and to date, six studies exist that have evaluated their use. The results are encouraging and it appears that behavior th... | 645,661 | [
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Giant hyperplastic polyp of the colon simulating adenocarcinoma. | Hyperplastic polyps of the colon have been previously reported as frequent incidental asymptomatic lesions limited to 1 cm. in size. To our knowledge, this is the first recorded case of a hyperplastic polyp of such magnitude as to cause obstructive symptoms and clinically simulate adenocarcinoma of the colon. | 645,684 | [
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0.... |
Rapid miniaturized chromatographic quality control procedures for iodinated radiopharmaceuticals. | A rapid, miniaturized chromatographic system was developed to determine the labeling efficiency of iodinated radio-pharmaceuticals including I-131 orthoiodohippurate, I-131 rose bengal, I-125 RISA, and I-131 19-iodocholesterol. The system consists of three specific chromatography strips (Whatman 31ET paper chromatograp... | 645,714 | [
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... |
Echocardiographic abnormalities in patients with transfusion-dependent anemia and secondary myocardial iron deposition. | The heart was evaluated by echocardiography in 56 patients at risk for myocardial iron deposition. Fifty-four had congenital anemia for which they required repeated transfusions, and two had primary hemochromatosis. The data, plotted according to one of three functions of the body surface area, were compared to values ... | 645,720 | [
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0.4021989,
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... |
Decrease in circulating immune complexes during hemodialysis. | Raji cell radioimmunoassay and Clq solid phase radioimmunoassay were used to determine serially circulating immune complexes in a patient with rapidly progressive glomerulonephritis who was receiving hemodialysis therapy. Initiation of hemodialysis was associated with a significant decrease in detectable immune complex... | 645,732 | [
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... |
The emerging role of carcinodevelopmental antigens in the clinical laboratory. | Patterns of carcinoembryonic antigens (CEA) in fetal gut, seminal plasma, and amniotic fluids were investigated. In fetal gut the broadest range of CEA-expression occurred during the period of maximal mucosal differentiation. While normal adult colon or other fetal stages expressed lower quantitative and qualitative am... | 645,765 | [
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0.2647949,
0.2530023,
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Human placental lactogen, estradiol-17beta, and progesterone levels in the third trimester and their respective values for detecting twin pregnancy. | Plasma levels of HPL, P, and E2 was serially measured between weeks 30 to 36 in simplex and duplex pregnancies. Levels of both HPL and P were significantly higher in duplex than in simplex pregnancies. However, this was not the case for E2. There was a significant correlation between HPL and P levels. It is indicated t... | 645,786 | [
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0.2122981,
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A new technique for and additional experience with hysteroscopic resection of submucous fibroids. | New instrumentation and a new technique are described which simplify the hysteroscopic removal of the pedunculated submucous fibroid and make possible the partial removal of the sessile variety. Experience with the method is presented including the follow-up of four patients. | 645,789 | [
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The effect of glucocorticoids on the maturation of premature lung membranes. Preventing the respiratory distress syndrome by glucocorticoids. | The effect of glucocorticoid on the maturation of premature lung membranes was studied in 121 premature infants by administering variable dosages of Decadron to the 114 mothers prior to delivery. The results were compared with findings in a group of 390 infants born in the same hospital during this study. Administratio... | 645,794 | [
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The randomized management of term frank breech presentation: vaginal delivery vs. cesarean section. | A prospective study of the management of term frank breech presentation is currently ongoing at LAC-USC Medical Center. To date, 57 patients have been randomized to an elective cesarean section group and 70 to a vaginal delivery group. Of the 70 patients selected for vaginal delivery, 35 had one or more inadequate pelv... | 645,799 | [
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Transabdominal repair of cystocele, a 20 year experience, compared with the traditional vaginal approach. | In patients with pelvic floor relaxation and concomitant pelvic pathology indicating the abdominal approach the so-called "combined" operation is not a satisfactory technique. During the course of the total abdominal hysterectomy the cystocele can well be repaired by mobilizing the bladder and excising the relaxed vagi... | 645,801 | [
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A morphologic study of unexplained hepatitis following halothane anesthesia. | A survey of postoperative jaundice throughout the United Kingdom allowed the detailed analysis of 76 patients with unexplained hepatitis following halothane anesthesia ("halothane hepatitis"). In 16 patients liver biopsy specimens were examined by light and/or electron microscopy to determine whether the liver morpholo... | 645,815 | [
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Autofluorescent particles of human uterine muscle cells. | Smooth muscle tissue collected from the uterine fundus of 24 patients undergoing hysterectomy was examined for chromolipoid pigments by histochemical and electron microscopic techniques. Certain cytoplasmic particles were found, mainly in smooth muscle cells, which exhibited characteristic autofluorescence, sudanophili... | 645,817 | [
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Effects of sensory-motor training on the language development of retarded preschoolers. | Previous research indicates that perceptual-motor training positively influences the development of language in retarded children. In this year-long study, 30 retarded children attending a preschool training center were divided into three equal groups given perceptual-motor training, movement training, or no systematic... | 645,844 | [
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Responses of cerebral arteries and arterioles to acute hypotension and hypertension. | The responses of cerebral precapillary vessels to changes in arterial blood pressure were studied in anesthetized cats equipped with cranial windows for the direct observation of the pial microcirculation of the parietal cortex. Vessel responses were found to be size dependent. Between mean arterial pressures of 110 an... | 645,875 | [
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Hypotensive effect of [Sar1,Thr8]angiotensin II in spontaneously hypertensive sodium-depleted rats. | Under inactin anesthesia, intravenous infusion of [Sar1,Thr8]angiotensin II produced a hypotensive effect in young spontaneously hypertensive rats (SHR) treated with furosemide and in mature SH rats fed a low-sodium diet. The angiotensin antagonist also lowered blood pressure of young and mature SH rats receiving a nor... | 645,884 | [
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Mutual influence of rats having different circadian rhythm of adrenocortical activity. | The possibility of a mutual influence between male adult rats having different circadian adrenocortical rhythms was studied under two different lighting conditions. Intact and optic-enucleated rats were housed together in the same cage in various ratios of intact to blinded rats. Twenty-four- or forty-eight-hour patter... | 645,902 | [
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Hyperglycemic action of synthetic C-terminal fragments of human growth hormone. | The synthetic peptides corresponding to amino acids 172-191, 176-191, 177-191, 178-191, 179-191, and 180-191 of human growth hormone (hGH) have been studied for their in vivo effects in normal rats. Four of the peptides (hGH 172-191, 176-191, 177-191, and 178-191) produced a short-lived rise in blood glucose and a more... | 645,904 | [
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Apparent escape rate of RIHSA and 51Cr-labeled erythrocytes from the blood of volume-expanded rats. | The disappearance rate constant of radioiodinated human serum albumin (RIHSA) and 51Cr-tagged erythrocytes was measured in rats before and after intravenous, isoncotic blood volume expansion (6% bovine albumin; 75 or 33% of blood volume). Before volume expansion the average slope of the semilogarithmically plotted plas... | 645,909 | [
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Comparison using central core model of renal medulla of the rabbit and rat. | The studies presented here use a central core model of the renal medulla, the details of which have been given elsewhere (Foster et al., Mathematical Biosci. 32: 307-335, 337-360, 1976). The central core model of the rabbit medulla predicts concentration gradients and volume flow rates in line with what is known for th... | 645,911 | [
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Regional variation of series elasticity in canine arterial smooth muscles. | Segments of carotid, iliac, renal, mesenteric, coronary, and internal thoracic arteries were studied in vitro to correlate the mechanical properties of series (SE) and parallel (PE) elastic elements with connective tissue (CT) composition and with active responses to potassium activation. The PE properties were determi... | 645,919 | [
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Myoglobin function in the isolated fluorocarbon-perfused dog heart. | An isolated dog heart preparation perfused with hemoglobin-free fluorocarbon suspension has been developed to study the role of myoglobin in myocardial function. The coronary vasculature was perfused at constant flow, with oxygen consumption determined from arteriovenous PO2 differences. Muscle function was assessed by... | 645,923 | [
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Maladaptive cognitive structures in depression. | According to the cognitive view, the individual's negative and distorted thinking is the basic psychological problem in the depressive syndrome. The distorted cognitions are supported by maladaptive cognitive schemata, which involve immature "either-or" rules of conduct or inflexible and unattainable self-expectations.... | 645,943 | [
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Prediction of antidepressant responses to lithium. | The authors studied 53 patients hospitalized for depression to evaluate possible associations between pretreatment responses to the Minnesota Multiphasic Personality Inventory and behaviorally rated responses to lithium. Patients were randomly assigned to two groups (A and B) in which responders and nonresponders were ... | 645,948 | [
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The "relief effect": a sociobiological model for neurotic distress and large-group therapy. | The author discusses the new discipline of sociobiology. He develops the hypothesis that relief of neurotic distress may be associated with experiencing social affiliation and presents data that demonstrate a decline in neurotic symptom intensity in individuals who joined a cohesive religious sect. Anthropological and ... | 645,953 | [
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Oral contraceptive use: association with frequency of hospitalization and chronic disease risk indicators. | A questionnaire was mailed to 97,364 married women, aged 26--50, resident in Greater Boston in 1970, requesting information on lifetime oral contraceptive (OC) use, reproductive history, education, and hospitalization experience in 1969; 65,843 women responded. In 1973 a second questionnaire was mailed to 37,292 of the... | 645,979 | [
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Health status indices and access to medical care. | This paper examines the uses of some health status indices in measuring equity of access to medical care. Empirical examples are provided using data from national surveys of the U.S. population conducted from 1964 through 1976. A simple indicator, mean number of physician visits, suggests that between 1963 and 1976 the... | 645,994 | [
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Health input into land use planning experiences in a land use program. | The experiences of a health professional in a land use program in a California County are described: providing health input into the land use planning process by counseling elected and appointed government officials, individual developers, and citizen groups; interpreting existing standards and evaluating proposed ordi... | 645,998 | [
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An anterior transversalis fascia repair for adult inguinal hernias. | During the eight year period from 1967 to 1975, 1,020 patients more than eighteen years old underwent 1,311 inguinal herniorrhaphies. Group I consisted of 723 inguinal herniorrhaphies in which either a Bassini or a Cooper's ligament repair was used. During a four to nine year follow-up period, the total recurrence rate... | 646,036 | [
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Evaluation of tracheal incisions for tracheostomy. | Three standard tracheostomy incisions in dogs were compared to determine whether any were more likely associated with stomal stenosis. Each incision resulted in an average reduction in tracheal lumen of 25 per cent, with a 50 per cent maximum. The incision selected should depend on the conditions present. | 646,041 | [
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Carcinoid tumors of the rectum. | Carcinoid tumors of the rectum are not uncommon. However, multiple rectal carcinoids are very rare but can occur. The behavior of the rectal carcinoids is different than that of carcinoid tumors in other areas of the gastrointestinal tract. All carcinoids are malignant, and management is based on size and depth of inva... | 646,045 | [
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Mediastinal parathyroid cyst. Report of a case and review of the literature. | A case of mediastinal parathyroid cyst is presented, including a review of the world literature and a discussion of the etiology, diagnosis, and management. | 646,047 | [
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Unblocked segments in obstetric epidural blocks. The influence of previous regional block on obstetric patients receiving lumbar epidural analgesia during labour. | Two hundred and six patients were studied to discover if previous regional analgesia influenced the incidence of unblocked segments and unilateral analgesia during lumbar epidural block in labour. Previous lumbar epidural or subarachnoid or sacral epidural blocks alone did not appear to influence the incidence of unila... | 646,074 | [
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Vascular surgery in an anephric patient. | A 33-year-old man with chronic renal failure underwent repair of an expanding aortic aneurysm. The management of the case is described and the anaesthetic problems discussed. | 646,076 | [
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Anaesthesia with ketamine and thiopentone for short surgical procedures: with reference to anaesthesia in developing countries. | A technique of general anaesthesia using small doses of intravenous ketamine and thiopentone is described. The method provides satisfactory operating conditions combined with cardiovascular stability and an apparently safe airway at little more than half the cost of a comparable technique using ketamine alone. | 646,077 | [
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0.148239,
0.067... |
Morphological changes in cooked longissimus dorsi muscle of pig, buffalo, sheep, goat and poultry. | In an effort to establish the morphological differences between the cooked muscles of pig, buffalo, sheep, goat and poultry longissimus dorsi were examined. Cooking at 100 degrees C produced shrinkage of muscle fibres in all species. The demarcation of the fascicles was also lost. Cooking at 121 degrees C destroyed eve... | 646,123 | [
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[Contribution to three-dimensional consideration of surfaces of joints of condyli femoris (author's transl)]. | There were laid sections in a difference of 1 cm across the condyli femoris of 5 human formalin-fixed femora and was looked for the curvature of the areas of joints at their marks. In comparing with literature was to be seen that corresponding dats failed at the orientation of the bone. Model conceptions used in case o... | 646,131 | [
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0.3397464,
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A study of the structure of the papilla neglecta in the lizard, Anolis carolinensis. | Scanning and transmission electron microscopy have been used to investigate the structure of the papilla neglecta in the lizard, Anolis carolinensis. Situated in the posterior part of the utricle, the receptor is innervated by a branch of the posterior ampullary nerve and is covered by an extracellular membrane that ex... | 646,139 | [
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Silent coronary artery-left ventricular fistula: a disorder of the thebesian system? | Two cases with abnormal electrocardiogram were found to have the unusual direct communication between the coronary artery and left ventricular chamber without any manifestations of the other reported coronary arterial fistula. | 646,180 | [
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... |
Problems in diagnosis and therapy of Mycobacterium fortuitum infections. | Mycobacterium fortuitum was isolated 11 times from 8 patients during a 6-year period. Six of the isolates were from sputum; one was from aspiration of a lymph node, and 4 were from wound cultures. The isolation from sputum was believed not to be associated with pulmonary infection in all 6 instances. The difficulty in ... | 646,215 | [
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0.06745843,
... |
Granulomatous biliary tract obstruction due to sarcoidosis. Report of a case and review of the literature. | A 29-year-old woman with sarcoidosis developed obstructive jaundice due to granulomatous involvement of the common hepatic duct and surrounding lymph nodes. After temporary decompression by T-tube, obstruction was alleviated by corticosteroid therapy. | 646,224 | [
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0.002974856,
0.1217512,
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0.2517124,
0.130... |
Pulmonary tumorlets associated with Cushing's syndrome. | Tumorlets of the lung generally have been considered benign nests of cells, usually found with bronchiectasis or fibrosis. We saw a patient with Cushing's syndrome whose tumorlets ultimately became roentgenographically visible as multiple small nodules throughout both lungs and metastasized to the mediastinum. The plas... | 646,227 | [
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0.003095779,
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0.6216369,
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0.153881,
0.173894,
0.1587786,
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Thyroid hormones in the adult rat lung. | Thyroid hormones have been postulated to be involved in lung development and the regulation of the surfactant system. This study was designed to determine the concentration of thyroxine and of triiodothyronine in adult rat lung. Tissue-to-plasma ratios of thyroxine and triiodothyronine were determined in adult rats by ... | 646,228 | [
0.0920205,
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0.4153454,
0.0528552,
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Ovarian (corpus luteum) hemorrhage during anticoagulation therapy. | Corpus luteum hemorrhage is a complication of long-term anticoagulant therapy that has rarely been reported in the literature. Within 16 months, we saw six cases in which young women taking anticoagulants to prevent clotting of prosthetic heart valves suffered corpus luteum hemorrhages. Diagnosis was difficult and dela... | 646,249 | [
0.009768369,
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Neoglottic reconstruction after total laryngectomy: a preliminary report. | This paper is a preliminary report on neoglottic reconstruction of the larynx after total laryngectomy following the techniques described by Staffieri. Also included are general observations on the criteria for selecting candidates for this procedure. At the University of Texas Medical Branch in Galveston, this procedu... | 646,285 | [
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Results of new air caloric testing method among normal subjects. I. Biphasic testing. | A new air caloric testing method is described in which the temperature of a continuous aural irrigation is switched hot and cold values at times calculated to control the intensity of the resulting vestibular stimulation. Applications of low or high caloric stimulus intensities to normal subjects were well tolerated an... | 646,296 | [
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... |
Dermoid of the nasopharynx. | A case of a cystic polyp of the nasopharynx in a three-year-old Caucasian female is presented. Although cases of teratomas of the nasopharynx have been reported, our literature search revealed only one prior report of a hamartoma. To our knowledge, a lesion with these histological features occurring in the nasopharynx ... | 646,299 | [
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[Piebaldism. Clinical, pathological and ultrastructural study of three cases (author's transl)]. | Comparative study of achromic and normally pigmented skin of three piebald patients from two families is reported here. DOPA-positive cells were not seen in the achromic areas, but the number of ATPase sites appeared to be normal; therefore the assumption of the replacement of the melanocytes by Langerhans cells cannot... | 646,309 | [
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0.5469745,
0.2058937,
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... |
Reversible inhibition of cellular metabolism by ribavirin. | The broad spectrum antiviral drug ribavirin (Virazole, 1-beta-d-ribofuranosyl-1,2,4-triazole-3-carboxamide) inhibits cellular macromolecular synthesis as well as cell division in eucaryotic cells. The concentration and time dependence have been studied. One-hour treatment with 25 muM ribavirin or 18 h with 2 muM inhibi... | 646,339 | [
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0.2874908,
0.3009817,
0.2853771,
-0.0738261,
-... |
Quantitation of antibiotics by high-pressure liquid chromatography: cephalothin. | A technique for quantitative determination of cephalothin and desacetylcephalothin in serum using a method based on high-pressure liquid chromatography is described. Both compounds were quantitatively extracted from serum by using dimethylformamide. After separation of the drugs by reverse-phase chromatography and dete... | 646,344 | [
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0.1483102,
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-0.1226852... |
Turbidimetric studies of growth inhibition of yeasts with three drugs: inquiry into inoculum-dependent susceptibility testing, time of onset of drug effect, and implications for current and newer methods. | Susceptibility testing with the broth-dilution visual end-point method is inoculum dependent with miconazole and 5-fluorocystosine, but not with amphotericin B. Turbidimetric measurements of yeast growth in the presence of antifungal drugs were therefore performed. With miconazole and 5-fluorocytosine, over the range o... | 646,347 | [
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-0.06823516,
0.5524024,
0.4701807,
0.519878,
0.1566377,
0... |
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