title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Steroid receptors in the canine epididymis. | High-affinity and low-capacity molecules that bind 5 alpha-dihydrotestosterone and oestradiol-17 beta have been demonstrated in the canine epididymis. The molecules were shown to be proteinaceous in nature, thermolabile and sedimented in a sucrose density gradient with a coefficient of 8S with respect to bovine serum a... | 469,857 | [
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Fibrocystic disease of the breast. | Fibrocystic disease is the most common type of lesion in the female breast. It is a common dumping ground for a variety of distinct clinical and histologic entities which require different modalities of therapy and which have different malignant transformation potentials. In general, fibrocystic disease is managed medi... | 469,865 | [
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Studies in mice on the mutagenicity of two contraceptive drugs. | An experiment is described which tests for visible and invisible mutants in mice treated with four different doses each of the contraceptives Gynanovlar and Lyndiol. The results show that there is no reason to suppose that either substance has an appreciable mutagenic effect, expressed as an increase of antenatal and p... | 469,899 | [
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Teacher-student interaction in a medical clerkship. | Seventeen randomly selected clinical teaching sessions in a medical school clerkship were videotaped during a one-month period, including teaching rounds, working rounds, morning report sessions, lectures, patient management conferences, grand rounds, and journal clubs. Using a verbal behavior classification schedule, ... | 469,911 | [
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Reducing ward-clinic conflicts by rotational scheduling of house staff. | Many internal medicine residency training programs are being modified to permit each resident to gain more outpatient experience, including providing continuous care to a defined panel of patients for three years. Increasing emphasis on these outpatient responsibilities and education, however, places demands on the res... | 469,913 | [
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Electron microscopy of Campylobacter jejuni. | Stools from 56 patients with gastroenteritis were cultured for Campylobacter jejuni. The five strains isolated were examined by electron microscopy. The campylobacter cells were pleomorphic and most displayed appearances similar to those of V. fetus. Morphological changes were observed in cultures subjected to prolonge... | 469,932 | [
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Environmental chemical carcinogens and liver cancer. | An appraisal is made of these chemical carcinogens available in the human environment that have been implicated in the etiology of liver cancer. The possible role of mycotoxins is discussed in detail, in particular the association between the aflatoxins and liver cancer in Africa and the Far East. | 469,949 | [
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Posterior fracture-dislocation of the hip: an epidemiologic review. | A retrospective study of 46 posterior fracture-dislocations of the hip showed that reduction of the dislocation within 24 hours was the most important initial treatment. Open reduction and fixation of the fracture could be delayed up to 4 weeks to allow associated injuries to be treated, and this technique was indicate... | 469,970 | [
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Fractures of the distal tibial metaphysis with intra-articular extension--the distal tibial explosion fracture. | In a study of 26 distal tibial explosion fractures in 24 patients two fracture patterns were identified: Type A, a rotational pattern; and Type B, a compressive fracture pattern. The rotational pattern was found to be less common than the compressive fracture and to have a substantially better prognosis. Operative trea... | 469,972 | [
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gag-Related polyproteins of Moloney murine leukemia virus: evidence for independent synthesis of glycosylated and unglycosylated forms. | Immunoprecipitation of labeled extracts from murine leukemia virus-infected cells with antisera specific for internal structural (gag) proteins yields three major gag-related polyproteins with molecular weights of 180,000 (Pr180gag-pol), 80,000, and 65,000 (Pr65gag). It has been shown by others that Pr65gag is the imme... | 469,993 | [
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Glycoprotein encoded by the Friend spleen focus-forming virus. | The Friend spleen focus-forming virus (F-SFFV) released from cultured erythroleukemia cells (cell line F4-6/K) was cloned free of its helper lymphatic leukemia virus (F-MuLV). After allowing adsorption to Sc-1 fibroblasts at a low multiplicity of infection, the cells were seeded individually into wells of a microtitier... | 469,994 | [
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Tryptic peptide analysis of gag and gag-pol gene products of Rauscher murine leukemia virus. | [3H]tyrosine-labeled viral precursor polyproteins and known mature viral proteins derived from the Rauscher murine leukemia virus gag and pol genes were examined by two-dimensional tryptic peptide mapping. Pr200gag-pol was found to contain peptide sequences of the viral core proteins p30, p15, p12, and p10, as well as ... | 469,995 | [
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Simultaneous traumatic bladder perforation and disruption of the prostatomembranous urethra. | The simultaneous occurrence of disruption of the prostatomembranous urethra and traumatic perforation of the bladder is seldom diagnosed before operation for the urethral injury. The presence of posterior disruption can make radiological diagnosis of the concomitant bladder perforation difficult. Lack of a palpable bla... | 470,025 | [
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Roentgenographic evaluation of cervical spine trauma. | A practical approach to the roentgenographic assessment of a patient suspected of having a cervical spine injury is described. Once positioned, the patient is not moved until substantial bony injury has been excluded. The major roentgenographic signs with differential diagnosis are briefly discussed using some illustra... | 470,051 | [
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Rate related block in the canine His-Purkinje system after ligation of the anterior septal artery--observation by His bundle electrocardiography. | In order to investigate the pathophysiology of tachycardia and bradycardia dependent block in the His-Purkinje system, anterior septal artery was ligated and the effects of vagal stimulation and atrial pacing were serially checked in 26 dogs. Tachycardia dependent intra-His bundle block or H-V blocks developed in all c... | 470,099 | [
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Inhomogeneous spread of excitation in canine Purkinje fibers. | Spread of excitation in isolated canine bundle branches was examined by microelectrode technique in order to investigate the possibility of dissociated impulse transmission in normal Purkinje fibers. In all experiments, local excitation of the preparation evoked either by fine bipolar extracellular electrodes or an int... | 470,147 | [
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Experimental Pseudomonas infection in mice: effect of single cyclophosphamide administration on Pseudomonas infection. | The kinetic effect of cyclophosphamide (CY) was investigated using the immune response to sheep red blood cells (SRBC), activation of the mononuclear macrophage system and altered susceptibity to pseudomonas infection. The level of delayed type hypersensitivity (DTH) was enhanced with suppressed antibody formation, whe... | 470,185 | [
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Studies on the physicochemical properties of house dust mite (Dermatophagoides pteronyssinus) allergens involved in reaginic reaction. | The physicochemical nature of the allergenic component of Dermatophagoides pteronyssinus extract was studied by gel filtration, ion exchange chromatography, isoelectrofocusing, and polyacrylamide gel electrophoresis. Fractions were assayed for allergenic activity by the direct radioallergosorbent test (RAST) (dilution ... | 470,186 | [
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Long-term prognosis for reconstruction of arterial lesions due to arteriosclerosis. | Out of 769 patients with arterial diseases, reconstructive surgery was performed on 100 limbs of 79 patients for arteriosclerosis. The overall patency rate was 59 per cent over a period of 3 to 8 years. Long-term patency was influenced by the condition of the run-off arteries, the site of the operation, and the method ... | 470,253 | [
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A manometric assessment of anorectal pressures and its significance in the diagnosis of Hirschsprung's disease and idiopathic megacolon. | Anorectal manometric studies were performed on nine patients with Hirschsprung's disease and ten patients with idiopathic megacolon for the purpose of differentiation, comparing with those of the normal subjects. The anorectal reflex was absent in all nine of the patients with Hirschsprung's disease while in all of ten... | 470,254 | [
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[Unusually long survival times in patients with advanced Hodgkin's disease (author's transl)]. | Of 18 patients with advanced Hodgkin's disease who obtained a complete remission with a modified De Vita treatment protocol 15 maintained their complete remission for an average of 76 months till the end of the observation time. | 470,336 | [
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Treatment of aneurysm of transverse aortic arch. | Although aneurysms involving the aortic arch are usually well localized and amenable to reconstructive operation, the reported results of this form of therapy at this level are not as good as in other portions of the aorta. The difference is due to cerebral and bleeding disturbances associated with cerebral protection ... | 470,418 | [
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Surgical treatment of Ebstein's anomaly. Early and late results in twenty patients subjected to valve replacement. | Twenty patients with Ebstein's anomaly underwent corrective operations between 1965 and 1978. Sixteen were in Functional Class III or IV (N.Y.H.A.) and four were in Class II but were having episodes of anoxia, syncope, or a rapid increase in cardiac size. In the first 10 cases (1965 to 1972) the tricuspid valve was rep... | 470,422 | [
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Growth of the pulmonary anulus and pulmonary arteries after the Waterston anastomosis. | Twenty-six patients with tetralogy of Fallot underwent angiocardiography before a Waterston shunt and again several years later, prior to complete repair (mean interval 40 +/- 15.6 [SD] months). The ratio between the diameter of the pulmonary valve anulus (PVA) and that of the descending thoracic aorta (Ao) increased b... | 470,425 | [
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Total joint arthroplasty. The foot. | A prosthesis has been designed with which to resurface the painful, degenerated first metatarsophalangeal joint. Clinical evaluation thus far has indicated satisfactory results in 16 of 18 instances. This procedure will probably give the best results in the older patient with hallux rigidus, but the length of follow-up... | 470,455 | [
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Total joint arthroplasty: principles and guidelines for postoperative physiatric management. | Postoperative physiatric treatment is an integral part of the replacement of hips, knees, ankles, shoulders, elbows, wrists, and digital joints. Neuromuscular substitution patterns and incoordination usually prevail after joint replacement because of the usual long-term expectation and experience of pain, limitation of... | 470,459 | [
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Fine structure of IMR-90 cells in culture as examined by scanning and transmission electron microscopy. | Cells from the new strain IMR-90 were examined by scanning (SEM) and transmission (TEM) electron microscopy at early, middle, and late population doubling levels. The cells are characteristically flattened and elongated and arranged in clusters from 1 to several cells thick. Long thin processes extend from the poles an... | 470,467 | [
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[Comparative functional study of 25 patients with intrathoracic sarcoidosis (author's transl)]. | Pulmonary function in 25 patients with intrathoracic sarcoidosis was studied by three different methods: clinical, as related to the presence or absence of dispnea; response to corticoid treatment, and roentgenologic stage. A total of 60 examination were made on the 25 patients. Each examination included: pulmonary vol... | 470,487 | [
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[Comparative evaluation of the functional state of the respiratory system in workers exposed to asbestos and cotton dust]. | 63 spinners exposed to cotton dust and 75 spinners exposed to asbestos dust were examined. In the women working in asbestos spinning room chronic nonspecific respiratory tract diseases prevalence was found to amount to 30% and in the cotton exposed group it was 15%. Mean values of lungs' vital capacity remained within ... | 470,599 | [
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Developmental imperatives in the latter half of life: some clinical implications. | In the latter half of life men tend to shift from active to passive mastery, women the opposite. Four cases are described clinically and are discussed from the point of view of this thesis. | 470,603 | [
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Murder on the job: case report of a unique disaster. | This paper reports the experience of two psychiatrists who intervened in the aftermath of a 'disaster' affecting a small company of 75 people. The incident causing the crisis was a shooting spree in which an employee, responding to fantasied conspiratorial behavior among co-workers, shot and killed three of them, wound... | 470,611 | [
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0.02... |
[Induced variability of the lipase producing fungus Rhizopus microsporus]. | The most effective way for inducing mutants of Rhizopus microsporus with an elevated lipolytic activity is the combined action of nitrosomethyl urea and UV. Variants with the lipolytic activity of 3600--3700 units per 1 ml have been produced, thus being by 72--75% more effective than the parent culture. | 470,631 | [
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[Microbiologic studies of a spodumene deposit]. | A wide spectrum of heterotrophic and autotrophic microorganisms was detected in the zones of decomposition of spodumene and bed rocks, pegmatites and shales, in the spodumene deposit. The following aerobic microorganisms which did not from spores predominated in the deposit: Arthrobacter globiformis, A. pascens, A. sim... | 470,634 | [
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Effect of high-energy feedings on low birthweight infants. | A comparison of the effect of 100.5 kJ/30 mL (24 kcal/30 mL) feedings with that of 84 kJ/30 mL (20 kcal/30 mL) feedings on infants with a birthweight of 1500 g or less was made. No consistent benefits in growth occurred and there was a tendency for an increase in complications in infants fed the 100.5 kJ/30 mL milk. He... | 470,692 | [
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Lymphoid hyperplasia of small bowel in an adult female. | A case of terminal ileum lymphoid hyperplasia in an adult female is presented. Symptoms have been alleviated by limited resection of affected ileum and a segment of ascending colon. It appears that this process has been previously reported only in children and young people, most of the patients being male. | 470,721 | [
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Carcinoma of the cervix, endometrium, and ovary: an 11-year review. | Over an 11-year period, 164 patients with genital tract carcinoma were managed at the Austin Hospital, Melbourne. For patients receiving primary treatment at the hospital, the five-year survival rates of patients with carcinoma of the cervix, endometrium, and ovary were 47.8%, 41.6% and 4.3% respectively. Improved resu... | 470,724 | [
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Prevalence of hepatitis B in a general hospital: screening of patients and staff. | Hepatitis B surface antigen (HBsAg) was sought over a six-month period in patients and staff members of the intensive care, cardiothoracic, and haematology/oncology units of a large general hospital. In addition, HBsAg was sought in all inpatients, outpatients and staff members at one point in time during August, 1977.... | 470,750 | [
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Ultrasonography in an early hydatidiform mole. | An early hydatidiform mole containing a fetal sac is shown in grey scale echograms. It is suggested that all hydatidiform moles can be shown to contain a gestation sac if examined early enough. | 470,774 | [
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[Yersinia enterocolitica: A rather unknown agent (author's transl)]. | A survey is given about epidemiological data and the different forms of clinical course of Yersiniosis enterocolitica. As a rule the enteric Yersiniosis heals spontaneoulsy without antibiotic therapy. In our own cases 9 of 13 patients were children. In the majority of these 13 cases symptoms of appendicitis were found.... | 470,777 | [
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[Effect of biguanids on the lactate metabolism. Studies in diabetics under submaximal ergometric exercise (author's transl)]. | 24 diabetics without any complications were subjected to an exercise test before and after biguanid therapy. The schedule of the physical strain was a modification of the Kaltenbach diagram. Changes of lactate, pyruvate, pH-standard bicarbonate and base excess values were analysed. Additionally to antidiabetical therap... | 470,783 | [
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0.161527... |
Use of casein, tyrosine, and hypoxanthine in the identification of nonfermentative gram-negative bacilli. | Four hundred and five (405) strains of nonfermentative gram-negative bacilli (NFB) were identified using conventional tests. The NFB studied include 323 originating from clinical specimens, 37 from environmental samples, and 45 authentic strains from other workers and from our culture collections. All these strains wer... | 470,835 | [
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Teratomas in children and young adults. | A review of all teratomas seen at the University of Wisconsin Hospital between 1965 and 1977 revealed that sacrococcygeal and presacral teratomas were most common. In these cases survival was best in infants less than one year old, with the exception of two cases of malignant medulloepithelioma. Testicular teratomas we... | 470,838 | [
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0.2444293,
0.02675693... |
Childhood non-Hodgkin Malignant lymphomas: a clinicopathologic retrospective study. | Between 1968 and 1975, 44 evaluable children under 16 years of age with the histologic diagnosis of non-Hodgkin malignant lymphoma (ML) were treated at the Istituto Nazionale Tumori of Milan. Histologic diagnoses were reclassified as follows: 13 lymphoblastic (others) ML, 15 convoluted cell type lymphoblastic ML, 9 Bur... | 470,839 | [
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Characterization of DNA damages by filtration through nitrocellulose filters: a simple probe for DNA-modifying agents. | A simple technique for the detection of DNA-modifying agents is described. The double-stranded covalently closed circular DNA of phage PM2 is exposed to the modifying agent and then analysed for DNA damages by assays involving only incubation steps and filtration through nitrocellulose filters. The technique described ... | 470,967 | [
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Bases and consequences of the newly recommended daily intakes of vitamins for the population of the German Democratic Republic. | In 1977 the official recommendations of the GDR for the daily intakes of essential nutrients were revised and extended. The criteria used to establish the revision and the extension in regard to the recommended vitamin intakes are given. For assessing the adequacy of food supplies and intakes vitamin intake data from n... | 471,027 | [
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Nucleotide sequence of the gene coding for the major protein of hepatitis B virus surface antigen. | DNA extracted from hepatitis B virus Dane particles has been cloned in bacteria using a plasmid vector. A full-length clone has been examined by restriction endonuclease analysis, and the nucleotide sequence of an 892-base pair fragment from cloned hepatitis B viral DNA encoding the surface antigen gene is reported. Th... | 471,053 | [
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Chicken ovalbumin contains an internal signal sequence. | Ovalbumin is shown to contain an internal rather than an amino-terminal signal sequence. This internal signal can be recovered in a tryptic fragment which comprises residues 229--276 of mature ovalbumin and contains a region of striking sequence homology to amino-terminal cleaved signals of two other oviduct secretory ... | 471,058 | [
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Differences in the purification effect of carcinoembryonic antigen (CEA) from the three different hepatic metastases of rectum carcinoma. | Carcinoembryonic actigen (CEA) was purified from three liver metastases of carcinoma recti by a conventional procedure involving perchloric acid extraction of tumor tissue and fractionation of the extract by gel filtrations on Sepharose 4B and Sephadex G-200. The preparations obtained showed a different degree of heter... | 471,122 | [
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Comparative effects of ticrynafen and hydrochlorothiazide on blood pressure, renal function, serum uric acid and electrolytes, and body fluid spaces in hypertensive man. | 25 hypertensive subjects underwent a double-blind, randomized study to compare the effects of ticrynafen (TCNF) with hydrochlorothiazide (HCTZ) on blood pressure (BP), renal function, serum uric acid (UA) and electrolytes, and body fluid spaces. BP was similarly lowered by TCNF and HCTZ. Neither TCNF nor HCTZ had a sig... | 471,153 | [
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[Pneumoencephalographic appearance of cerebral ventricles in spontaneous tremor]. | Three patients of different ages with evidence of essential tremor of familial origin are reported. Pneumoencephalography demonstrated in these cases presence of hydrocephalus. The size of the cerebral ventricles was assessed by means of the index of Schiermann and Evans. No correlation was observed between the degree ... | 471,159 | [
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[Two cases of azygos anterior cerebral artery aneurysm (author's transl)]. | Two cases with azygos anterior cerebral artery were reported from an analysis of 37 cases of distal anterior cerebral artery aneurysm. Case 1 was a 57-year-old woman. She had an attack of subarachnoid hemorrhage two months before admission to our clinic. The anterior cerebral artery was not demonstrated on the right ca... | 471,171 | [
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Atypical axon-Schwann cell relationships in the common peroneal nerve of the dystrophic mouse: an ultrastructural study. | Several atypical features of myelination of the peripheral nervous system are reported in common peroneal nerve of dystrophic mice (129 Re J dy/dy): (i) central nervous system-like contact between myelin sheaths of adjacent nerve fibres; (ii) nodes and internodes of myelinated fibres enwrapped with cytoplasmic processe... | 471,185 | [
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0.1407117,
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Specificity of short-loop feedback of luteinizing hormone in the rabbit. | The specificity of the gonadotropin short-loop feedback mechanism was investigated in castrated rabbits by blood sampling from an indwelling jugular venous catheter for follicle-stimulating hormone (FSH) after the intravenous administration of purified human luteinizing hormone (hLH). Although we have previously shown ... | 471,197 | [
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Sarcoma metastatic to the central nervous system: report of three cases and review of the literature. | Sarcoma metastatic to the central nervous system is generally considered to be rare. In this report three cases of sarcoma with metastasis to the central nervous system are presented. The case of rhabdomyosarcoma of the lung probably represents the first reported instance of such tumor metastatic to the central nervous... | 471,204 | [
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The projection of the calcified pineal gland on slightly rotated AP films as a reliable landmark. A CT study. | The projection of the pineal gland between the two outer tables of the skull in the AP film has been reconstructed on the basis of the CT print of the head, with and without lateral rotation. In this experimental approach it is proven that rotation up to 5 degrees does not influence the position of the pineal gland on ... | 471,225 | [
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Computed tomography in alcoholic cerebellar atrophy. | This is a controlled CT evaluation of the infratentorial region in 41 male alcoholics under age 35. Criteria for the presence of atrophy are outlined. Twelve patients had cerebellar atrophy. Vermian atrophy was present in all. Atrophy of the cerebellar hemispheres was demonstrated in eight patients as well. The results... | 471,226 | [
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0.2326729,
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0.2670684,
0.... |
24-hour urine creatinine excretion in pregnancy. | A total of 489 consecutive 24-hour urine collection from 162 patients were analyzed for creatinine excretion. The 24-hour creatinine excretion increased with the urine volume. Creatinine excretions in 24-hour urine collections were not statistically different between in- and out-patients. The results indicate that the ... | 471,373 | [
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Consolidation of hospital obstetric services--is it a reality? | Despite efforts toward regional planning of maternity services and consolidation of small hospital units, the number of US hospitals with maternity services has increased every year since 1973. Only 2 states have significantly reduced the number of hospitals performing less than 500 deliveries annually. The average num... | 471,374 | [
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The oxytocin challenge test: an ominous pattern associated with severe fetal growth retardation. | Four cases of a rare atypical fetal heart pattern obtained during the oxytocin challenge test are described. In all cases, there were marked oligohydramnios and fetal growth retardation with a severely compromised fetus, and in 3 cases the fetuses died. | 471,379 | [
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Eye position and electromyographic observation of squint eyes under general anesthesia. | The position of eyes under general anesthesia was measured in different groups of nonparalytic strabismus. Almost all patients with esotropia or hyperactive inferior oblique muscle showed divergent eye positions while patients with exotropia showed no consistent trend. The eye position of patients with lid ptosis witho... | 471,434 | [
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Sociopsychological factors affecting the human response to noise exposure. | Community noise is reported to be the most often mentioned undesirable neighborhood condition in a recent U.S. Census survey. Understanding community response to noise involves the measurement of a number of complex acoustic and nonacoustic variables and establishing the chain of relationships between physical exposure... | 471,500 | [
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Mycoplasma pneumoniae infections. | A review of infections with Mycoplasma pneumoniae in children, emphasizing their frequency, association with viral infections, nonspecific clinical aspects, diagnostic data, and extrapulmonary possible manifestations is presented. This work was based on 320 analyses made in a period of 3 years. 15 of those analyses wer... | 471,517 | [
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Perinatal changes of 2,3-diphosphoglycerate and oxygen affinity in mammals not having fetal type hemoglobins. | The interrelationship of 2,3-diphosphoglycerate (2,3-DPG) and P50 levels during the fetal and postnatal life were determined in two mammalian species which do not have a switchover of hemoglobin type at the end of their fetal development. In the guinea pig and rabbit, the 2,3-DPG levels remain low during fetal life and... | 471,570 | [
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Energy retention, energy expenditure, and growth in healthy immature infants. | Energy balance studies were done during 10-29 days on 15 immature infants of mean birth weight 1581 g. Mean gross energy intake was 757 kJ/kg (181 kcal) and 79% of this was retained, so that metabolizable energy was 602 kJ/kg (143 kcal). Mean resting metabolic rate was 244 kJ/kg (58.1 kcal), and it increased with advan... | 471,579 | [
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Prolonged expiratory duration with elevated lung volume in newborn infants. | End-expiratory lung volume increased 17.5 +/- 5.4 ml (mean +/- SD) in full term infants and 7.7 +/- 2.1 ml in premature infants when 5--7 cm H2O continuous negative pressure (CNEG) was applied around the thorax. In the full term infants, respiratory rate decreased from 52--43 min-1 (P less than 0.001), mean inspiratory... | 471,587 | [
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Prospective study of maternal and infantile infection with Chlamydia trachomatis. | We examined the prevalence of chlamydial infection in a population of pregnant women and observed their infants to determine the risk of development of ocular or respiratory infection. We examined endocervical and serum specimens from 322 pregnant women for Chlamydia trachomatis and chlamydial antibody. The cultures we... | 471,604 | [
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[Diagnosis of cerebral hemorrhages. A report of 247 anatomo-pathological cases (author's transl)]. | A series of 247 cases with simple and apparently primitive cerebral hemorrhages selected from the pathological records of Charles Foix laboratory from 1962 to 1977 is reviewed with regard to the accuracy of the premortem diagnosis as a function of the size, the location and the age of the bleeding, the patient's age, t... | 471,721 | [
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[Bacterial endocarditis due to Staphylococcus epidermidis. Two cases (author's transl)]. | Bacterial endocarditis due to Staphylococcus epermidis is rare and severe. In a first patient, a 58-year-old-man, it developed 40 days after the insertion of a double prosthesis (mitral and aortic). Cure was obtained by medical treatment using a combination of vancomycin and gentamicin, followed by pristinamycin and to... | 471,737 | [
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... |
The importance of significance and the significance of importance. | This article has attempted to illustrate the following principles of statistical significance. 1. An investigator must state the hypothesis to be tested beforehand, so that a null hypothesis can be constructed and validly tested using standard statistical techniques. 2. A statistically significant difference does not p... | 471,839 | [
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Broncholithiasis: current concepts of an ancient disease. | Broncholithiasis, associated most frequently with tuberculosis and histoplasmosis, usually presents with acute onset of cough and hemoptysis. Visible stones are coughed up in fewer cases than was previously believed. The disease may be accompanied by obstructive symptoms, bronchiectasis, and occasional fistula formatio... | 471,854 | [
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Hip fracture after hemiplegia. | In a series of 57 hemiplegic patients who subsequently fractured their hips, it was found that hip fracture occurred significantly more often on the hemiplegic side. Hip fracture was equally common in right- and left-sided hemiplegia, and often occurred within one year of the stroke. Two factors seem to be important in... | 471,862 | [
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Preparation polyacrylamide-agarose gel electrophoresis of proteins and RNAs by the use of new device. | Quantitatively reproducible results were obtained by using a new device for preparation gel electrophoresis combined with polyacrylamide-agarose composite gel. When an adequate gel-buffer system was selected according to the procedure described in this paper, proteins and RNA's were well separated and recovered. The ne... | 471,945 | [
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[Effect of angioprotectors on the glomerular filtration rate and vascular permeability in diabetic angiopathies]. | Renal function (glomerular filtration) and vascular permeability under the effect of an angioprotector were studied by means of labeled renotropic compounds in 55 patients with diabetic angiopathies. The patients were divided into 3 groups: the first group comprised 23 patients treated with anginin or prodectin alone; ... | 471,968 | [
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The direct use of CT numbers in radiotherapy dosage calculations for inhomogeneous media. | Techniques by which the quantitative anatomical data inherent in a CT scan can be directly used in treatment planning are described. The correction algorithms used in the RAD-8 system, based on an effective path length, have been extended to a pixel-by-pixel approach. By calibrating the X-ray transmission CT scanner in... | 472,014 | [
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Salary and status differences between male and female physical therapists. | The purpose of this study was to compare employment profiles of men and women employed as physical therapists. A survey on salary and on demographic and professional characteristics was mailed to 500 male and 500 female physical therapists throughout the United States, and 658 (65.8%) were used in the data analysis. Se... | 472,025 | [
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Physiological and pharmacological basis for the chemotherapy of enuresis. | Enuresis is a disorder of micturition occuring in the absence of an organic urinary tract lesion. To understand its possible causation, the mechanisms controlling micturition are described together with the possible sites of action of various anti-enuretic agents, particularly imipramine. It is concluded that further r... | 472,071 | [
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Overachievement and catecholamine excretion in an achievement-demanding situation. | We have studied the relationship between overachievement (defined as high school achievement in relation to intelligence) and catecholamine output (adrenaline and noradrenaline). The subjects were 176 children aged 13 yr. Adrenaline and noradrenaline excretions were measured in (1) a neutral situation (attending a none... | 472,084 | [
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0.1309253,
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Infant mortality in Newark, New Jersey. A study of sociodemographic and medical factors. | Newark, a metropolitan industrial town, experienced the highest infant mortality of any major city in the United States in the 1960s and early 1970s. Between 1970 and 1973, however, infant mortality among non-whites in this city declined strikingly. This decline could not be directly related to declines (a) in birth ra... | 472,094 | [
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Adjustable compensating filters for pediatric 72-inch spine radiography. | The difficulty in producing a uniformly penetrated radiograph of the upright spine at 72 inches is alleviated by the use of compensating filters. These filters are finely machined, adjustable and easy to position. High quality, uniform density radiographs are now easily obtained on patients of all sizes. Most important... | 472,220 | [
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Symmetrical anteroposterior projections of the sternoclavicular joints with motion studies. | A radiographic technique is described for the symmetrical visualization of the sternoclavicular joints in the anteroposterior projection. A short focal-spot patient distance is used with an ultra-fine focal-spot tube, so that differential magnification projects the sternoclavicular joints to either side of the thoracic... | 472,268 | [
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Basioccipital clefts. | Two cases of rare basioccipital clefting are reported. In one patient, 10-year follow-up indicates that the radiologic appearance of the clefts does not change with time. Findings in the other case indicate that additional anomalies may occur in adjacent bone structures developing in sequence. A review of the embryolog... | 472,277 | [
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Computed tomographic staging of malignant gastric neoplasms. | Eight patients with proved gastric carcinoma and 3 with gastric lymphoma were studied preoperatively with computed tomography. CT accurately identified abnormal stomach wall thickening and intra-abdominal tumor extension. Mural thickening was seen on the CT scan when a moderately distended stomach had a wall more than ... | 472,284 | [
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Anthropomorphic test objects for CT scanners. | Numerous types of artifacts can result in clinical misinterpretations in computed tomography. The authors have evaluated phantom materials and techniques of construction which would produce objects similar enough to the human body to test the accuracy of CT in vivo. The object used for this purpose is a thoracic sectio... | 472,294 | [
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Bacteriologic flora on diagnostic ultrasonic transducers. | In a study to determine the presence of bacteria on ultrasonic transducers, the authors found micro-organisms in 82% of cultures. The results show that 70% isopropyl alcohol is not a consistently effective germicide for the sterilization of transducers. The presence of bacteria, however, appears to be of little clinica... | 472,302 | [
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0.1435503,
0.0... |
Screening is not diagnosis. | Mammography and physical examination, usually employed as diagnostic tools, may be used to screen for early detection of breast cancer. A study of these modalities used to aggressively screen patients in Cincinnati and Milwaukee is presented and compared to more traditional methods of breast cancer detection and diagno... | 472,307 | [
-0.04227965,
0.3216782,
-0.0143023,
-0.2676406,
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0.2715125,
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0.1864219,
0.08438024,
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0.1870331,
0.2891166,
-0.3707367,
0.4437737,
0.008179626,
-0.17096... |
Axial skeletal changes in paraplegics. | Two-hundred paraplegic men were studied to determine the nature of their axial skeletal changes. Forty-two per cent had sacro-iliac (SI) joint changes which varied from marginal blurring, erosion, sclerosis, and narrowing of the joint space (9%) to complete obliteration of the joints (33%). Radiographs of the thoracolu... | 472,311 | [
0.02417258,
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0.1742413,
0.2240006,
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-0.0401945,
0.1668356,
-0.4608137,
-0.07822081,
0.4716838,
-0.0247... |
The effect of glucose on the synthesis of prostaglandins by the renal papilla of the rat in vitro. | Renal pappillae from rats were incubated in vitro. The release of prostaglandin by this tissue was found to be inversely related to the glucose concentration of the buffer. Estimates of prostaglandin release were determined by a rat stomach strip bioassay, and in some instances, gas-chromatography and mass spectrometry... | 472,332 | [
0.07627175,
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0.01219672,
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0.1791284,
0.09702096,
0.2714384,
0.07016502,
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... |
Determination of prostaglandin F2 alpha, E2, D2 and 6-keto-F1 alpha in human cerebrospinal fluid. | Prostaglandin (PG)F2 alpha, E2, D2 and 6-keto-F1 ALha were determined in human cerebrospinal fluid by a mass spectrometric technique. The samples were obtained from 12 patients with suspected intracranial disease. A 64 fold variation in PG levels was observed. The major PG was 6-keto-F1 alpha (0.12--15 ng/ml). PGF2 alp... | 472,336 | [
-0.4187683,
0.1922288,
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0.2318964,
0.3390135,
0.186035,
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0... |
Treatment with a single vaginal suppository containing 15-methyl PGF2 alpha methyl ester at expected time of menstruation. | Termination of early pregnancy, by vaginal administration of prostaglandin analogues, one to three weeks after the first missed menstrual period, has advantages and disadvantages in comparison with vacuum aspiration. Some of these may be reduced if the patient is treated earlier. In the present study the effect and saf... | 472,340 | [
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0.04692003,
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0.2056087,
0.475163,
0.510738,
0.2400424,
-0.2317884,
0... |
[Multifocal cancer of the breast. Considerations on the mammographic diagnosis]. | A review is carried out of a series of mammographic investigations in 687 tumours observed at the Pascale Institute, Naples, between 1972 and 1977. Mammography shows in a high percentage of cases a multifocality of the disease which was unsuspected. This allows a better evaluation of the stage of the tumour and a corre... | 472,392 | [
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0.3407923,
0.383035,
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0.5122984,
-0.1621297,
-0.006642552,... |
The effect of the duration and type of stress on some serum enzyme levels in pigs. | The effects of blood sampling from the ear vein, jugular vein and collection on exsanguination, on serum CK, LDH, GOT and PK activities were investigated. The activities of LDH and PK were higher in ear vein vena cava samples. The effect of pre-slaughter handling was also investigated. In general there was a significan... | 472,477 | [
0.0212765,
0.0341104,
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0.03603249,
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0.1305406,
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0.04054255,
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0.085759,
0.1392882,
0.2290899,
0.03978689,
-0.08953573,
-0.359381,
0.0... |
The role of maternal triglycerides in the supply of lipids to the ovine fetus. | Maternal and fetal blood samples were obtained for up to 20 min after the injection of an emulsion of 14C-labelled glycerol tripalmitate into the circulation of pregnant ewes. No evidence was obtained for the direct transfer of intact triglycerides across the placenta. Results obtained suggest that there was a very rap... | 472,481 | [
-0.1310751,
0.07547832,
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-0.4605225,
0.03727987,
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0.3518567,
0.09301227,
0.3727677,
-0.1397355,
... |
The effect of triamcinolone acetonide on plasma glucose and ketone concentration and on the total entry rate of glucose in twin pregnant hypoglycaemic ketotic sheep. | Hypoglycaemic ketosis clinically resembling pregnancy toxaemia was induced by starvation in Clun Forest sheep pregnant with twins. Total glucose entry was measured by the continuous infusion of trace amounts of (2-3H) glucose before and after the induction of ketosis and 24 h after the intramuscular injection of the ke... | 472,482 | [
-0.01630011,
0.03282013,
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0.3398905,
0.01591727,
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0.03547492,
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0.1597558,
0.05483196,
0.3471658,
0.01465983,
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-0.2522021,
0.1216388,
-0.03814273,
-0.03634858,
0.2629024,
0.4441857,
-0.2332... |
Concentrations of immunoglobulin classes in subcompartments of the sheep lung. | The concentrations of IgA, IgG and IgM were measured in plasma, lung lymph and lung lavage fluid from adult sheep. Immunoglobulin concentrations in lymph and lavage fluid should fall sequentially during diffusive flux from the vascular compartment as a result of molecular sieving at the capillary endothelium and the al... | 472,485 | [
-0.0741435,
-0.05838263,
-0.005867931,
-0.2431909,
0.1889305,
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0.0655961,
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0.383135,
0.1728007,
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0.1894882,
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0.08238751,
0.05260403,
-0.03964505,
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0.1526073,
0.005020065,
0.05574419,
0.08757056... |
Characterisation of influenza viruses isolated from turkeys in Great Britain during 1963--1977. | Seven influenza viruses isolated from turkeys in Great Britain since 1963 were typed by haemagglutination inhibition and neuraminidase inhibition tests as: A/turkey/England/63 (Hav 1 Nav 3), A/turkey/England/66 (Hav 6 N2), A/turkey/England/69 (Hav 7 N2), A/turkey/Scotland/70 (Hav ? Neq 1), A/turkey/England/N28/73 (Hav ... | 472,486 | [
-0.2714607,
-0.2606469,
-0.3166024,
-0.4833122,
-0.1166403,
-0.1683161,
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0.2715291,
0.1261649,
0.2966892,
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0.2929419,
0.1203723,
-0.05370552,
0.2548275,
0.1667615,
-0.1701283,
... |
The effect of single and divided dose administration on the efficacy of fenbendazole against adult stages of benzimidazole resistant sheep trichostrongylids. | Sheep infected with benzimidazole resistant strains of Haemonchus contortus and Trichostrongylus colubriformis were used to compare the anthelmintic efficacy of fenbendazole given as a single dose or administered in a divided dose regime over five days. Statistical analysis showed no significant difference between the ... | 472,493 | [
-0.1021422,
0.1440847,
-0.05212014,
-0.1257214,
0.2758372,
-0.3725205,
-0.1759499,
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-0.07900583,
-0.07466974,
0.03613601,
0.09825924,
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0.3580315,
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-0.3312957,
0.1882048,
-0.3878622,
0.4984809,
-0.1725524,
0.266599,
-0.1676244,
... |
[Biological changes observed after infusion of modified gelatin in women who had cesarean sections]. | We suggest to study some biologic parameters after perfusion by 1,000 ml modified gelatin to young women who have a caesarian operation. The level of gelatin is determined by previously proposed method. Gelatin is also revealed at electrophoresis. Concurrently, protein contents in sera and hematocrit are estimated. The... | 472,596 | [
0.02403795,
-0.1458701,
-0.2562629,
0.05518182,
0.1386753,
-0.3469765,
-0.1470532,
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0.09281643,
0.0008229252,
-0.06115061,
0.1474655,
-0.1459646,
-0.2954175,
-0.6877218,
-0.3627682,
-0.1499608,
-0.2237971,
-0.04228876,
0.3463787,
0.3255289,
0.2364756,
-0.097572... |
[Hematic radio-immunologic monitoring of clonazepam: clinical-pharmacological evaluations in a group of epileptic patients]. | In a group of 22 epileptic patients under treatment with clonazepam (CNP) it has been evaluated the serum levels of CNP in a seried way for a period of several months, by a radio-immunological technique. Except for one patient, all the others were under politherapy. On the basis of the data obtained from this study we ... | 472,616 | [
0.103151,
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-0.1635581,
-0.1768488,
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0.1886193,
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0.3051319,
0.2335648,
0.02184427,
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-0.1101572,
0.1582692,
0.062917,
0.5477917,
0.3659489,
-0.01252328,
-0.1076095,
-0.... |
Serologic diagnosis in the differentiation of autoimmune hemolytic anemias. | A complex serologic study was carried out in 20 patients with autoimmune hemolytic anemias (AIHA). The methods used were: the direct Coombs' test with specific sera anti IgG, IgM, IgA and complement (C), the direct and indirect test with papain treated erythrocytes (at 37 degrees C), determination of cold agglutinin ti... | 472,642 | [
-0.03876702,
-0.2027166,
-0.1080889,
0.08368918,
0.04049444,
0.1032165,
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0.344904,
0.08682061,
0.01485686,
0.1535075,
0.6124741,
0.1534472,
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0.242882,
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-0.5184981,
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-0.04707811,
0.2726075,
0.1340238,
-0.1498628,
... |
Paravalvular fistula in mitral valve implant. Intimation of malfunction of implant and quantification of regurgitant flow from effective area measurements. | Non-invasive ultrasound Doppler registrations and cardiac output determinations with a thermodilution catheter were performed in the presence of and after closure of a paravalvular mitral fistula in a 52-year-old patient with a 27 mm Björk-Shiley mitral valve. The data collected allowed the calculation of the regurgita... | 472,667 | [
-0.2150966,
0.01443355,
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0.1048867,
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0.06495942,
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0.1814775,
0.2054769,
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0.1325414,
-0.2094222,
-0.03455193,
0.2948415,
0.1801175,
0.1559897,
... |
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