title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Early experience with the Varian Six Second body scanner in the diagnosis of hepatobiliary tract disease. | Thirty-four patients with liver disease were studied with a research model of the Varian Six Second body scanner. Useful information was gained in patients with a variety of hepatic disorders. This scanner permits resolution of normal hepatic parenchymal detail which has not been reported previously and has reduced the... | 847,201 | [
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Normal ocular circulation and the effect of arterial occlusive disorders. | Arterial occlusive disease, either primary or secondary, may not only affect the appearance of the ophthalmic artery, posterior ciliary arteries, and choroid crescent, but may be reflected in the prolongation of the circulation time to the choroid crescent. Choroid circulation time determined in 80 normal carotid angio... | 847,204 | [
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Physical, performance, and dosimetric characteristics of the delta-Scan 50 whole-body/brain scanner. | The delta-Scan 50 computed tomographic (CT) scanner has the ability to determine x-ray attenuation coefficients with a precision ranging from 0.3 to 2.6% depending upon such factors as patient size and scan diameter. Resolution is 20-80% greater than the pixel width, with values ranging from 1.2 to 2.1 mm. The collimat... | 847,219 | [
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Does the "missed" radiographic diagnosis constitute malpractice? | Recent studies confirm that radiologists disagree as often as 50% of the time and that as many as 30% of pathological findings are "missed." Legally, "simple" errors are not considered to constitute malpractice, but "negligent" errors are; yet there are no practical guidelines to help the courts or the medical professi... | 847,224 | [
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Radioimmunoassay of 15-keto-prostaglandin E2 in peripheral plasma after oral administration of prostaglandin E2 tablets used for induction of labour. | A radioimmunoassay of the 15-keto- metabolite of prostaglandin E2 has been developed. The details of the assay are described. Using unextracted plasma, serial measurements of 15-keto-PGE2 have been carried out every 15 minutes for 3 hours in 9 women ingesting 0.5 mg PGE2 oral tablets used for the induction of labour. | 847,241 | [
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Symmetry in prostaglandins. | Observations of the agonist activity of prostaglandins on the guinea-pig ileum are analysed. The structure-activity relationships are interpreted in relation to the approximate diad axis of symmetry in the molecules. It is suggested that some receptors for prostaglandins may have a perfect diad axis of symmetry between... | 847,247 | [
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Suppression of the release of prostaglandin-like substances by hydrocortisone in vivo. | Muscular exercise of the dog's hind leg evokes the release of prostaglandin-like substances/PG-like substances/into femoral venous blood. The release of PG-like substances detected by the bioassay method was significantly greater in adrenalectomized as compared to normal dogs. To test the possibility that this differen... | 847,248 | [
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Identification of glucuronides as in vivo liver conjugates of seven cannabinoids and some of their hydroxy and acid metabolites. | Glucuronide conjugates of cannabidiol (CBD), 7-hydroxy-CBD, propyl-CBD, cannabinol (CBN), 7-hydroxy-CBN, CBN-7-oic acid, propyl CBN and cannabichromene have been identified as major metabolites of CBD, CBN and their propyl homologues and of cannabichromene in mouse liver. Trace amounts of the glucuronide conjugates of ... | 847,285 | [
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High-pressure liquid chromatographic (HPLC) determination of tolmetin and its major metabolite in plasma. | A high-pressure liquid chromatographic assay was developed for the quantitative determination of tolmetin and its major metabolite in plasma. Determination of tolmetin was compared to a previously reported spectro-photometric assay method. The standard curves were evaluated statistically and daily standard curves were ... | 847,299 | [
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Amine releasing action of nicotine from rat hypothalamus in vitro. | Nicotine released 3H-radioactivity from rat hypothalamus labeled with 3H-metaraminol (3H-MA) in a concentration-related manner. The release was not blocked by hexamethonium (1.8 x 10(-5)M - 2.3 x 10(-3)m), tetrodotoxin (3 x 10(-7)M), lidocaine (6 x 10(-5)M or Ca++-free medium. Cocaine (3 x 10(-5)M) blocked the releasi... | 847,304 | [
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Intrapulmonary receptors in the Tegu lizard: II. Functional characteristics and localization;. | Intrapulmonary receptors identified in the Tegu lizard by single-unit vagal recording (Fedde et al., 1977) were subjected to a number of stimuli and localized within the lung. Some carbon dioxide receptors could follow periodic changes in intrapulmonary CO2 concentrations as rapidly as 1.3 Hz; No oxygen sensitivity was... | 847,309 | [
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A renin-like activity in the human hypophysis. | A renin-like enzyme was determined in the acetone-dried tissue of human pituitaries, in both the anterior and posterior pituitaries using Boucher micromethod. The mean pituitary concentration of the renin-like activity (RA) was equivalent to 60.4+/-7.1 (SEM) ng angiotensin II/g tissue protein/h. The possible functional... | 847,372 | [
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Pancreatic extract and the intestinal uptake of vitamin B12. II. Inhibitory effect of trypsin and trypsinogen. | Pancreatic extract (PE) contained small-molecular, thermo-stable as well as macro-molecular, thermo-labile factors capable of reducing the uptake of 57CoB12 bound to rat intrinsic factor by perfused rat intestinal segments (p less than 0.01 and p less than 0.01). Neither non-radioactive vitamin B12 nor non-pacreatic pr... | 847,384 | [
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Renal extraction of endogenous gastrin in patients with normal renal function. | Renal extraction of gastrin in patients with normal clearance of inulin and p-aminohippuric acid was assessed by gastrin radioimmunoassay. In 23 fasting patients there was no significant difference in arterial gastrin (37.7 pg/ml serum +/- 25.1 S.D.) and the renal vein gastrin (35.9 +/- 24.6), resulting in a renal extr... | 847,388 | [
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In vitro responsiveness of human gastric carcinoma to pentagastrin. | The influence of pentagastrin on thymidine incorporation of five human gastric carcinomas was studied by an in vitro short-term cell suspension technique. Two of the five tumours reacted with stimulation of incorporation to the treatment. Five tumours of other aetiology did not react to similar treatment. The possibili... | 847,394 | [
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Attenuation of canine nephrotoxic glomerulonephritis with an extracorporeal immunoadsorbent. | A novel immunoadsorbent is described in which soluble canine glomerular basement membrane (GBM) antigen was immobilized in collodion membranes adherent to small charcoal particles. As much as 80% of the added GBM antigen was retained in the collodion-charcoal. The binding of GBM antibody to immobilized GBM antigen in v... | 847,401 | [
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The effect of chlorpromazine pretreatment on renal function and pathology in kidneys damaged by warm ischaemia. | The influence of chlorpromazine pretreatment on kidney function and survival after temporary occlusion of the renal artery was investigated. Three hours of clamping of the renal artery and contralateral nephrectomy was performed in a group of ten rabbits pretreated with 3.5 mg/kg chlorpromazine and compared with a prev... | 847,404 | [
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Clinical and haemodynamic results following mitral valve replacement with the new Lillehei-Kaster pivoting disc valve prosthesis. | Thirty-four patients were re-examined 12-24 months after mitral valve replacement with the Lillehei-Kaster pivoting disc valve prosthesis. There was an improvement of the kinetics with a significant decrease in arteriovenous oxygen difference compared with oxygen consumption. Cardiac output and stroke volume remained a... | 847,418 | [
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Histochemical and electron microscopic observations on the myoneural junctions of rats with carbon disulfide induced polyneuropathy. | Myoneural junctions in the tibialis anterior muscle of rats with clinical signs of polyneuropathy induced with carbon disulfide were studied by light and electron microscopy. Histochemically demonstrable acetylcholinesterase (AChE; E.C. 3.1.1.7) activity was distributed similarly in the myoneural junctions of both the ... | 847,430 | [
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[Fatal panmyelophthisis following 8-year-long abuse of appetite depressants]. | A case of irreversible panmyelophthisis with fatal outcome in a 28-year-old patient is reported, following 8-year continuous abuse of anorectic drugs. | 847,435 | [
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[Juvenile diabetes, tapeto-retinal degeneration, neurogenic hearing disorder (Alström syndrome), associated with congenital dyserythropoietic type III anemia]. | The case is reported of a 32 year old female with diabetes mellitus, tapeto-retinal degeneration and neurogenous deafness combined with congenital dyserythropoietic anemia. The ophthalmological, otological, neurological and hematological findings are discussed and compared with those in the literature. Light microscopi... | 847,447 | [
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The need for a new medical model: a challenge for biomedicine. | The dominant model of disease today is biomedical, and it leaves no room within tis framework for the social, psychological, and behavioral dimensions of illness. A biopsychosocial model is proposed that provides a blueprint for research, a framework for teaching, and a design for action in the real world of health car... | 847,460 | [
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Antischizophrenic drugs: chronic treatment elevates dopamine receptor binding in brain. | Chronic treatment of rats with the neuroleptic drugs haloperidol, fluphenazine, and reserpine elicits a 20 to 25% increase in striatal dopamine receptor binding assayed with [3H]haloperidol. This increase in receptor sites may account for behavioral supersensitivity to dopamine receptor stimulants in such animals and f... | 847,477 | [
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Asymptomatic space-occupying lesions of the kidney: a programmed sequential approach and its impact on quality and cost of health care. | Sequential roentgenographic investigation of asymptomatic space-occupying lesions of the kidney is credited with establishing the diagnosis in 84.6% of 940 patients using only two examinations. Two thirds of all patients were diagnosed by relatively noninvasive technics such as infusion nephrotomogram, renal scintiscan... | 847,482 | [
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Mesenteric venous thrombosis and oral contraceptives. | Reported is a case of mesenteric venous thrombosis occurring in a 46-year-old woman who had taken an oral contraceptive for six years. Seventeen cases of mesenteric venous thrombosis have been reported in young women taking oral contraceptives. An association between oral contraceptive agents and mesenteric venous thro... | 847,490 | [
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Continuing education of health workers in rural areas. | The need for effective continuing educational programmes for all health workers in rural areas is discussed, with particular mention of the role of the doctor as a teacher. Various approaches to continuing education are elaborated. | 847,570 | [
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Hepatotoxicity of paracetamol enhanced by ingestion of alcohol: report of two cases. | Two fatal cases of poisoning by paracetamol are described. Both patients were heavy imbibers of alcohol and both had swallowed less paracetamol that that generally regarded as a lethal dose. The biochemistry of paracetamol hepatotoxicity is outlined and the increased susceptibility of alcoholic patients to the hepatoto... | 847,572 | [
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Subclavian and axillary artery injuries. | Experience with 36 Black patients with disruption of the subclavian or axillary arteries is reported. The clinical presentation and operative approaches are described. The average time interval between injury and diagnosis of arterial injury was 10 days. Two case reports which illustrate the adverse consequences of del... | 847,576 | [
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Private industry health insurance plans: type of administration and insurer in 1974. | This report examines the major forms of administration of private health insurance plans. Plans are classified according to whether they are employer-only or joint worker-employer-operated and according to whether they are negotiated or not. A further focus of examination that often reflects industry patterns is whethe... | 847,597 | [
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Disseminated intravascular coagulation and refractory shock induced by splanchnic metabolic acidosis. | In eight dogs, acidosis was induced by the infusion of lactic acid into the superior mesenteric artery in a dose of 5.0 to 12.5 millimoles per kilogram during a 30 minute period. Four dogs out of five in which the lowest pH of arterial blood was lower than 7 developed a typical acute disseminated intravascular coagulat... | 847,605 | [
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Regional cerebral blood flow with intracranial mass lesions. Part I: Local alterations in cerebral blood flow. | Focal changes in the cat cerebral blood flow were studied by the technique of H2 polarography. Areas studied included the caudate nuclei, thalami and midbrain. A unilateral mass effect was created by inflation of an epidural balloon. A rapid decrease in regional cerebral blood flow was noted ipsilateral to the mass at ... | 847,639 | [
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Intrathoracic lipoma in a dog. | A seven year-old German Shepherd bitch had severe dyspnoea caused by a lipoma. The weight of this lipoma was approximately 4 kg, the total weight of the dog without this tumour being 20 kg. The lipoma was not attached to the body wall but to the mediastinum, so it must be concluded that it had its origin there. The dog... | 847,725 | [
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[Botulism in cattle in a loose housing following the use of litter from a broiler farm (author's transl)]. | An outbreak of type C botulism in cattle is reported, which was caused by the fact that litter from a broiler farm, in which a large number of toxic carcases had been present, had been used as a bedding in the cubicles. There is evidence to suggest that there is a relationship with the large number of cases of type C b... | 847,730 | [
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[Measures to be adopted in the prevention and treatment of atrophic rhinitis in piglets under field conditions (author's transl)]. | The following measures designed for the prevention of Atrophic rhinitis (AR) were compared. (1) Adopting the all in - all out system in separate farrowing quarters. The variation in age between piglets in a single farrowing house was confined to one to two weeks. (2) Treating the piglets with a combined preparation of ... | 847,733 | [
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... |
Altered growth behavior and phenotypic expression of cells of mouse and hamster cell lines after treatment with polyanions. | Effect of polyanions on saturation density and production of viscous substance of cells of mouse and hamster cell lines was studied. Cell lines used were 3T6, HA-2 and HA-8 cells. Polyanions were dextran sulfate, (3,6-anhydro-4-o-beta-galactopyranosyl-2-D-galactopyranose-2,4'-bis (potassium/sodium sulfate) (1 leads to ... | 847,740 | [
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... |
[On a modification of the otis urethrotome (author's transl)]. | A modification of the Otis urethrotome is presented and the technique of internal urethrotomy with this instrument is described. The instrument opens parallel, and the incision blade makes a cut in two directions possible. Special additional parts at the top of the instrument make the introduction easier. The unintenti... | 847,854 | [
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[Urologic aspects of retroperitoneal hematoma (author's transl)]. | Traumatic kidney injuries are the most frequent causes of retroperitoneal hematoma. The intensity of hematuria among other symptoms does not always correspond to the severity of the lesion. Apart from the i.v. urogram as the first screening test, angiography is the most important diagnostic criterion for the estimation... | 847,864 | [
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Maintenance hemodialysis in myeloma kidney disease. | Maintenance hemodialysis and chemotherapeutic agents were used in the treatment of seven patients with end-stage myeloma kidney disease. Results indicate that with the use of such therapy life can be prolonged substantially. It appears that patients with myeloma-with or without serious extrarenal complications-are suit... | 847,982 | [
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[Photoallergy: results of photo patch testing in dermatological patients (author's transl)]. | 150 patients with light sensitivity of unknown aetiology were photo patch tested at the 2nd Department of Dermatology University of Vienna. 22 patients showed photoallergy. The identified photoallergens were mostly halogenated salicylanilides and other phenolic compounds. These substances are used as antimicrobials in ... | 848,027 | [
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[The pattern of distribution of free amino acids in human amniotic fluid related to the duration of pregnancy. Part II: Changes in concentration in pathological pregnancy (author's transl)]. | 18 free amino acids from 196 specimens of amniotic fluid of pathological pregnancies between the 28th and 41st week of pregnancy were measured by gaschromatography. The concentrations of the amino acids in amniotic fluid in normal and pathological pregnancies were analysed by statistical methods. There were only minor ... | 848,078 | [
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[Forensic applications of human skin spectral remission analysis employing a movable integrated sphere (author's transl)]. | Spectral remission analysis has been known for long in the medical sciences [1,2,3] but has gained practical importance only in the last years due to the existence of modern techniques and components [4,5]. In this paper a method is presented which enlarges the range of applications of spectral remission and transmissi... | 848,134 | [
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[Nevus spilus. A histopathological study (author's transl)]. | In the past, the nevus spilus was differently interpreted. Ito and Hamada, however, limited this term to a pigmented macule that had darker speckles within it. This newer definition is a useful one in clinical diagnostics. But histopathologically this lesion seems not to be an entity. A review of the literature and the... | 848,167 | [
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[Hepatic infestation in mucoviscidosis (author's transl)]. | In 25 cases of autoptically proven mucoviscidosis 3 cases were detected with hepatic infestation. In two cases there was a focal biliary fibrosis (one male baby of 3 months, one female baby of 8 months), the third case was a 7 1/2 years old boy with a multilobulary biliary cirrhosis. The morphologie picture of these l... | 848,176 | [
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[Brush-like skull and dystrophy of the brain in consequence of a complex malformation of the heart (author's transl)]. | A report it given on a case of transposition of the arterial trunks accompaniedby septal defect, hypoplasia of the pulomonary trunk, and valvular pulmonary stenosisin a 5 1/2 years old male child. Further striking findings consisted in a partial brush-like skull and in a severe dystrophy of the brain. | 848,177 | [
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[Vaginal stump recurrence in carcinoma of the corpus uteri]. | Among 403 women who had an operation for a cancer of the corpus uteri, and a subsequent radiation (3400 R HD) a total of 10 (2.48%) suffered from a recurrence of the cancer at the vaginal stump. For none of these ten women a 5-year-cure can be reported. To prevent a recurrence of the cancer at the vaginal stump, it is ... | 848,204 | [
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Thymidine Content in Commercially Prepared Media. | The thymidine content of a number of media now available commercially was determined, using Lactobacillus arabinosus ATCC 8014. The thymidine concentration in most liquid media was so high (greater than 0.01 microng/ml) that, without further treatment, these media could not be used for the testing of sulphonamides, tri... | 848,219 | [
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The lysosomal hydrolases in acute experimental pancreatitis in dogs treated with glucagon. | In dogs with acute experimental pancreatitis (AEP) induced according to Elliotts method the total, free and latent activity of lysosomal hydrolases (acid phosphatase, beta-glucuronidase and cathepsins) in whole homogenates and some subfractions of pancreas were studied. The animals were divided into three groups of 6 d... | 848,247 | [
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Gross and microscopic anatomy of the biliary tract of the ferret. | The gross and microscopic anatomy of the biliary tract of the ferret was studied. The liver consisted of six separate lobes. The coronary ligament was not present. Histologically, it was very similar to that of man. The gall-bladder was present and was a pear-shaped sac. Its muscle coat was very thick and well develope... | 848,264 | [
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Studies on epidemiological, clinical, and etiological aspects of ALS disease in Sardinia, Southern Italy. | This investigation was conducted to clarify the epidemiology of ALS disease in Sardinia. During the years 1965-1974, the average annual incidence was found to be 0.64/100,000 inhabitants. On prevalence day, October 24th, 1974, the prevalence rate was 1.56/100,000 inhabitants. A significant male predominance was found, ... | 848,275 | [
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Quantitative evaluation of the blood-brain barrier capacity to form dopamine from circulating L-DOPA. | The ability of the blood-brain barrier to form dopamine from increasing doses of systemically administered L-DOPA has been studied in rats by a combination of chemical determination of dopamine, and histochemical and cytofluorometric measurements of L-DOPA and dopamine. The break-through of L-DOPA from the circulation ... | 848,309 | [
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Present status of forensic psychiatry in Sweden. | A description is given of the use and functions of mental reports preceding the sentence. The problems-- mainly the long waiting times for observations, the concentration on diagnosis, and the forensic psychiatrist's isolation from treatment work - associated with the present system are pointed out. The article also co... | 848,336 | [
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Dopaminergic function in two patients with catalepsy. | Apomorphine HC1 (2 mg subcutaneously), a dopamine receptor agonist, was administered to two schizophrenic patients with catalepsy. In one of these patients the clinical response to apomorphine was compared with that of sodium amytal and the growth hormone response apomorphine (0.75 mg subcutaneously) was compared with ... | 848,340 | [
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Season of birth of schizophrenics in Tokyo, Japan. | The monthly distribution of births of 7,960 schizophrenic patients in Tokyo born during the period of 1841-1950 was studied in comparison with that of a control population in Tokyo. A spring excess of schizophrenic births were found after 1901 as in previous studies in Western countries. Before 1900, however, there was... | 848,342 | [
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Evaluation of the sulphapyridine acetylator phenotyping test in healthy subjects and in patients with cardiac and renal diseases. | The acetylator phenotype of 35 healthy, drug-free volunteers and 21 patients with cardiac and/or renal disease has been assessed using oral sulphapyridine. Comparative evaluation of a simplified and a more selective method of sulphapyridine analysis was performed. Thirteen of the patients were also phenotyped by determ... | 848,360 | [
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Spontaneous systemic lupus erythematosus and acelylator phenotype. | Fifteen patients with spontaneous systemic lupus erythematosus (SLE) have been phenotyped by determination of plasma isoniazid (INH) half-life. Seven patients had signs of renal insufficiency. Of the 15 patients, 13 were slow and only 2 rapid acetylators. No correlation was found between the plasma INH half-lives and t... | 848,361 | [
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... |
Cardaic arrhythmias in chloral hydrate poisoning. | In three patients admitted to hospital after ingestion of an overdose of chloral hydrate, the ECG showed supreventricular and ventricular tachyarrhythmias. The possible mechanism for the arrhythmias may be an enhanced automaticity of supraventricular and ventricular pacemaker cells caused by metabolites of chloral hyd... | 848,362 | [
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Rat model for hereditary retinal degeneration. | The disorder in Wag/Rij rats is a spontaneous, bilateral retinal deneration. It is characterized by an early onset, slowly progressive degeneration of the photoreceptor cells leading to destruction of the retina. Degeneration affects both rod cells and cone cells, and to a lesser degree the cells in the inner nuclear l... | 848,387 | [
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A therapeutic trial of vitamin A in patients with pigmentary retinal degenerations: a negative study. | A prospective therapeutic trial was designed to test the hypothesis that measurable improvement of retinal functions might occur in some patients with pigmentary retinal degeneration when placed on high doses of solubilized vitamin A (Aquasol A, 50,000 I.U. per day by mouth for 28 days). After a standard ophthalmic his... | 848,392 | [
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Identification of stainless steel welding fume particulates in human lung and environmental samples using electron probe microanalysis. | Open lung biopsy specimens from two welders and air samples from their workplace environments were examined with the electron probe microanalyzer. X-ray analysis showed that the majority of particles found in the lung tissue from both workers and in the air samples to be composed of varying amounts of iron, chromium, m... | 848,429 | [
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Acute blood pressure elevation and ventricular fibrillation threshold during coronary occlusion and reperfusion in the dog. | The effect of acute elevation of arterial blood pressure on the ventricular fibrillation threshold was examined in 19 closed chest dogs anesthetized with chloralose during 10 minutes of occlusion followed by abrupt reperfusion of the left anterior descending coronary artery. Ventricular fibrillation threshold was deter... | 848,436 | [
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Platelet and fibrinogen survival in coronary atherosclerosis. Response to medical and surgical therapy. | Survival times of chromium-51 platelets and iodine-125 fibrinogen were determined in 58 men with documented coronary atherosclerosis. Compared with findings in a control group of 28 men of similar age, mean platelet survival time was selectively shortened (6.8 +/- 1.8 [standard deviation] days versus 9.0 +/- 1.0 days; ... | 848,446 | [
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Acupuncture in two cases of peripheral nerve paralysis. | This is a report on a case of peripheral paralysis of the right side of the larynx. The patient was a 34 year-old male who became completely aphonic following a grippal infection. After 3 weeks of conventional treatment by a well-known specialist, he underwent acupuncture treatment. After 4 months the voice was again n... | 848,460 | [
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Giardiasis in Colorado: an epidemiologic study. | A one-year retrospective laboratory survey in Colorado revealed that 691 (3%) of 22,743 stool examinations for ova and parasites were positive for Giardia lamblia, a higher percentage than that reported from surveys outside of Colorado. The majority of infected residents who were surveyed had experienced an episode of ... | 848,482 | [
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Electrophoretic abnormalities of lysosomal enzymes in mucolipidosis fibroblast lines. | Electrophoretic properties of eight lysosomal hydrolases and 36 nonlysosomal enzymes were investigated in cultured fibroblasts from children with the inherited storage disease mucolipidosis II (ML II); fibroblasts from a child with a related disorder, mucolipidosis III (ML III); and two obligate heterozygous cell lines... | 848,490 | [
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Categorical encoding in short-term memory by retarded and nonretarded children. | The use of consonants and digits as encoding categories in short-term memory by 32 EMR children and 32 nonretarded children of the same CA was investigated. The task employed was a modification of the release from proactive inhibition technique similar to that used by Wickens, Born, and Allen (1963). Results indicated ... | 848,511 | [
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Manipulation of stimulus features in vocational-skill training of severely retarded individuals. | Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques. There we... | 848,515 | [
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Statistical analysis of first-trimester pregnancy terminations in an ambulatory surgical center. | From June, 1973, to December, 1974, 12,219 women requested elective termination of pregnancy at the Concord Medical Center, a private outpatient clinic in Chicago, Illinois. Suction curettage with local anesthesia was performed for 10,890 of the women; the remaining 1,329 (10.9%) women were rejected for the following r... | 848,529 | [
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An introduction to the proficiency examination. | The public's right to quality health care requires that health practitioners be competent to carry successfully the responsibilities of the positions they seek to fill, and that individuals seeking to practice must be evaluated as possessing the required expertise. The proficiency examination is used to judge the posse... | 848,555 | [
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Occupational role acquisition: a perspective on the chronically disabled. | Occupational therapists are aware that chronic disability restricts not only physical and mental skills, but also social skills and the resulting ability of the patient to function in society. The issue of quality of life for the chronically disabled requires assisting them in the acquisition of new, although not alway... | 848,559 | [
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Play: the arena for acquisition of rules for competent behavior. | Play is acknowledged as a critical, complex arena of learning. In play, individuals process information about their location in space, time, and personal relationships. One mechanism for organizing this information is the rule. This paper defines the rule as a symbol and its relationship to skilled action. With this pe... | 848,560 | [
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Congenital defects of the upper lateral incisors: multivariate analysis of measurements of the other teeth, the superior arch, head and face. | The survey of a French male population allowed us to ascertain 75 propositi with one or two missing ULI, 59 propositi with one or two reduced ULI and 99 controls on whom measurements (mesiodistal and buccolingual diameters) of all of teeth of the superior arch are available. Principal Component Analysis gave a first es... | 848,565 | [
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Psychiatric consultation: concepts and controversies. | There are two major models of consultation in the field of psychiatry, differing in their goals, participants, settings, and methods. The psychiatric-therapeutic model entails provision of optimal care for the individual patient; the community mental health model involves provision of assistance to mental health caregi... | 848,579 | [
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Catecholamine metabolism during heroin use. | The authors examined urinary levels of catecholamines and metabolites during a 10-day period of heroin use in 9 subjects. Catecholamine and metabolite excretion increased over baseline values on the first day of heroin use, but markedly different patterns of change emerged later. In contrast to the significant increase... | 848,581 | [
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Motivational interventions in community hypertension screening. | To evaluate different techniques intended to motivate community residents to have their blood pressures taken, five inner-city target areas with comparable, predominantly Black, populations were selected. A sample of about 200 households in each of four areas were subjected to different motivational interventions; in o... | 848,618 | [
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Diagnostic laparotomy for fever or abdominal pain of unknown origin. | Diagnostic laparotomy performed on twenty-four patients with FUO and twenty-seven patients with obscure abdominal pain resulted in a positive yield of 87 and 82 per cent, respectively. No deaths occurred in either group and the complication rate was minimal. These findings indicate that it is appropriate to include lap... | 848,655 | [
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Wound infection. Acute versus chronic cholecystitis. | Wound infection in 239 patients who underwent cholecystectomy were analyzed retrospectively. Seventeen per cent of the patients with acute cholecystitis had wound infection compared with 8.9 per cent of patients with chronic cholecystitis. Bacteriology of wound infections revealed Staphylococcus aureus in 76.4 per cent... | 848,657 | [
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The legal responsibility of the anaesthetist. | The various ways in which an anaesthetist may come into contact with the process of the criminal and civil law have been discussed. Some comparisons have been made between the English Law and that of other countries. The need for vigilance by professional bodies representing medical practitioners in monitoring and maki... | 848,700 | [
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Electrolytes in surgical patients: the effect of pre-operative starvation and environmental temperature. | Serum sodium, potassium and chloride values were measured before and after pre-operative starvation and after premedication in healthy subjects under going routine surgery, during both temperate and hot weather. No significant change in serum electrolytes occurred during temperate weather either after starvation or aft... | 848,704 | [
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Medical equipment for an accident team. | Equipment assembled for use by an accident team is described. The aim is to provide independent lightweight units that a medical practitioner can easily carry yet which will contain the essential items which he may need. A complete list of equipment is included. Compromise is inevitable which makes planning difficult p... | 848,718 | [
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Ultrastructure of the cat sublingual gland. | The sublingual gland of the cat consists primarily of branched secretory tubules that open into an abbreviated duct system. The simple epithelium that composes the secretory tubules consists of an admixture of mucous and serous cells, with the former predominating. Some secretory tubules are capped by a serous demilune... | 848,774 | [
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... |
Pericardial tumor of fibrosis mimicking pericardial effusion by echocardiography. | Echocardiograms of three patients with metastatic carcinoma or lymphoma showed a sonolucent space posterior to the left ventricular epicardium, as seen in pericardial effusion. However, at surgery or autopsy no pericardial fluid was found. Instead, the pericardium was infiltrated by neoplastic tissue or fibrosis. In vi... | 848,805 | [
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Tracheobronchiomegaly: report of two cases with widely differing symptomatology. | Two cases of tracheobronchiomegaly are reported to call attention to this disease. Physicians must be mindful of this entity as another cause of recurring pneumonia which may be treatable. Various proposed etiologies for this syndrome are reviewed. The findings in and interpretation of our cases and those in the litera... | 848,826 | [
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Course of the peripheral gustatory nerves. | The multiple variations of the course of the gustatory nerves still considered possible are discussed. Recent investigations lead to the conclusion that there is only one path for the gustatory fibers for each gustatory area: 1) from the anterior part of the tongue via the tympanic cord and facial nerve to the medulla ... | 848,837 | [
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-0.1999982,
0.1947007,
0.1589464,
0.02549397,
... |
Bronchial resection. Feasibility and surgical considerations in lung surgery. | Four patients who had bronchial resection for benign and malignant bronchial lesions are reported. The aims were to salvage as much as possible of functioning lung tissue, especially in patients with benign lesions. In all but the patient with a pulmonary carcinoma, the long-term airway result was excellent. Bronchopla... | 848,846 | [
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Surgical treatment of cardiac myxoma. A case report. | A patient with a left atrial myxoma operated on successfully three years ago is reported. The symptomatology and diagnosis of the tumour and surgical considerations are briefly discussed, and the necessity of a long follow-up period is stressed. | 848,847 | [
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Dumping following partial gastrectomy. | The incidence of dumping has varied from 1 to 75% in a number of reported series. The discrepancy probably depends mainly on different definitions of the dumping syndrome. In the present work, the clinical diagnostic index (CDI) first proposed by Sigstad in 1968, has been used in a follow-up study of 241 patients after... | 848,851 | [
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0.... |
[Isolation and characterization of mitogens from Nocardia]. | Two methods have been devised to isolate mitogens from Nocardia cells. (1) Lysozyme treatment of delipidated cells followed by fractionation of the soluble extract leads to a mitogen devoid of cell wall constituents. (2) Cell disruption followed by differential centrifugations shows that two mitogenic structures are p... | 848,898 | [
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[Chronic granulomatous disease (CGD): in vitro enhancement of bactericidal activity of CGD phagocytes by rifampicin]. | In a series of 29 experiments on CGD patients, we have studied the in vitro bactericidal capacity of normal and CGD phagocytes against penicillin, streptomycin and rifampicin sensitive Staphylococcus aureus. The bactericidal activity of phagogyte preparations was tested at different intervals during a 21 hour incubatio... | 848,909 | [
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... |
[Non-specific responses of C3H/He low responder mice to LPS and to TCA-extracted endotoxin]. | In vitro and in vivo host reponses to lipopolysaccharide (LPS) and various immunostimulants were compared in C3h low-and highresponder mice, their F1, F2 and backcross hybrids. In contrast to the responsiveness of a congeneic high responder subline, LPS is unable to stimulate thymidine incorporation by splenocytes of t... | 848,908 | [
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... |
[Pharmacokinetics of rifampicin in single and repeated administration to patients with inflammatory processes in the lungs of nontuberculotic etiology]. | Rifampicin is a broad spectrum semisynthetic antibiotic of the group of rifampicins. It is active against both grampositive and gramnegative organisms and mycobacteria. The studies on the pharmacokinetics of rifampicin showed that the drug was well absorbed from the gastro-intestinal tract. After a single administratio... | 848,920 | [
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0.1852361,
... |
Bone marrow toxicity associated with 5-fluorocytosine therapy. | Bone marrow toxicity occurred in 4 of 15 patients treated with 5-fluorocytosine (5-FC) for serious fungal infections. The development of marrow toxicity appeared to be related to serum 5-FC levels of 125 mug/ml or greater. In three patients, accumulation of toxic levels of 5-FC was related to diminished renal function.... | 848,928 | [
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0.05064289,
0.2724568,
0.3617531,
0.2502289,
-0.00865... |
Changes in superhelical density of closed circular deoxyribonucleic acid by intercalation of anti-R-plasmid drugs and primaquine. | The following compounds, which possess anti-R-plasmid activity (Hahn and Ciak, 1976) in decreasing order, were shown by viscometric titration to change systematically the superhelical density of closed circular PM2 deoxyribonucleic acid in the manner of intercalators: ethidium bromide, quinacrine, acridine orange, quin... | 848,930 | [
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0.08976623,
0.4067354,
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0.1902109,
-0.31605... |
Simple, direct broth-disk method for antibiotic susceptibility testing of Ureaplasma urealyticum. | A simple, direct broth-disk test, utilizing urine sediment as the inoculum and impregnated paper disks as the source of antibiotic, was developed and used to test the susceptibility of 54 isolates of Ureaplasma urealyticum (T-strain mycoplasmas) to minocycline, doxycycline, demeclocycline, tetracycline, and erythromyci... | 848,933 | [
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0.4010966,
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0.2064456,
... |
Combined antiviral effects of interferon, adenine, arabinoside, hypoxanthine arabinoside, and adenine arabinoside-5'-monophosphate in human fibroblast cultures. | Adenine arabinoside and human interferon are currently being evaluated in clinical trials against herpes- and poxvirus infections. Interferon production is also a normal antiviral response. It is therefore important to examine the combined actions of interferon and antiviral arabinosides for possible synergy or antagon... | 848,937 | [
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0.3470277,
0.4043157,
-0.1015444,
-0.2402... |
Hemagglutination inhibition assay for gentamicin. | A rapid and simple hemagglutination inhibition test for measuring gentamicin concentrations in serum has been developed. Correlation coefficients for this assay with the radioimmunoassay and microbiological assay were r = 710 and r = 0.864, respectively. Measurements of gentamicin levels in serum by the three methods s... | 848,941 | [
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... |
Fatty acid fingerprints of Streptococcus mutans NCTC 10832 grown at various temperatures. | Fatty acid fingerprints were determined gas chromatographically for Strepcococcus mutans NCTC 1082 which had been grown in batch brain heart infusion at a series of nine temperatures ranging from 29.0 to 40.0 degrees C. The major acids at all temperatures were n-palmitic and octadecenoic acids. Other acids detected at ... | 848,945 | [
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First results obtained with an epicardial screw-in electrode. | A description is given of the introduction of an epicardial screw-in electrode (Medtronic, model 6917) by the infrasternal approach in 22 patients with severe cardiac conduction disorders. Special attention is given to the surgical technique, the electrode and the measurement of the threshold value. Comparison of the v... | 848,967 | [
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0.177575,
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0.138964,
... |
Clinical and biochemical assessment of a modified evaporated milk for infant feeding. | A clinical and biochemical evaluation has been made of a new milk formula, Modified Carnation milk (MCM), based on cows' milk but with the mineral content and concentration of caloric nutrients altered to make it correspond more closely to human milk. MCM produced higher plasma calcium and magnesium concentrations in 6... | 848,994 | [
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... |
Outcome in congenital stridor (laryngomalacia). | Twenty-one children who had been diagnosed as having laryngomalacia by direct laryngoscopy in infancy were reviewed 7 to 12 years later. The natural history of the disease is documented. A wide variation in the time of onset and duration of the stridor was found and there was a high incidence of feeding difficulties. A... | 849,000 | [
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... |
Assessment of total body fat in infancy from skinfold thickness measurements. | A formula is given, allowing a value for total body fat to be calculated from skinfold thickness measurements at two sites (subscapular and triceps), in conjunction with nine body dimensions. For newborn infants total body fat so calculated accorded satisfactorily with published data from cadaver analyses. The formula ... | 849,001 | [
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0.2159595,
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-0.... |
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