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cytological analysis of x-ray-induced aberrations in spermatocytes i and the somatic ganglia of male drosophila melanogaster.the correlation between damage induced in somatic cells and that induced in germinal cells of the same genetic pool of individuals is important in establishing the possibility of extrapolation of this damage to the offspring. we have used drosophila melanogaster to compare cytologically the frequency of aberrations induced in the cells of somatic ganglia and in the spermatocytes i of males irradiated with 625 r x-rays. the spermatocytes were more sensitive than the gangliar cells to radiation: t ...1979413031
[use of the enzyme neuraminidase for immunotherapeutic treatment of chemically induced carcinogenesis].the effect of vibrio cholerae neuraminidase (vcn) on the growth of dimethylbenzanthracene-induced sarcoma cells in the inbred cba mice was investigated. the use of this preparation was started after the appearance of the tumour. injection of 50 units of vcn twice a week for three months was effective at the early stages of carcinogenesis. an increase of the life-span of mice of comparison with control animals was also observed in the animals inoculated intraperitoneally with induced syngeneic sa ...1977413595
the mechanism of complement fixation by rabbit f(ab')2: properties of the bactericidal reaction. 1977413785
[effect of a sulfur-containing nucleotide-peptide complex on the growth and development of different species of algae]. 1977414054
molecular cloning and in vitro transcription of bacillus subtilis plasmid in escherichia coli.a composite plasmid (pat2010) has been constructed in vitro from rsf2124 and bacillus subtilis ifo3022 plasmid (pat1060) by covalent joining of the two dna molecules by means of escherichia coli dna ligase through the cohesive ends generated by restriction endonuclease ri (ecori) cleavage. the composite plasmid was selected by transformation of e. colic600r-m- with the ligated mixture after enrichment for composite plasmid by preparative agarose gel electrophoresis, and plating of the transforma ...1977414072
[problems of cancer immunotherapy (author's transl)].active immunization has received a new impulse most recently through the treatment of tumor cells with the enzyme neuraminidase from vibrio cholerae. there is no passive specific immunotherapy in humans. in the field of unspecific active immunotherapy there are very many, partly contradictory, findings, especially with bcg, corynebacterium parvum and preparations from these and other organisms. a cellularly transmitted immunity has been attempted, but so far without very encouraging results. it ...1977414081
[cephradine in urology]. 1977414092
open-field behavior after intravenous amphetamine analogues in rats.a variety of behaviors were studied in an open-field setting after i.v. amphetamine (0.5, 2.0, 8.0 mg/kg), phenmetrazine (1.0, 4.0, 16.0 mg/kg), or fenfluramine (1.0, 4.0, 16.0 mg/kg). amphetamine and phenmetrazine increased ambulation initially and rearing during the whole experiment, and decreased grooming. at 30 and 60 min, with the three higher doses of amphetamine, stereotyped behaviors interfered with and decreased both ambulation and groomin. fenfluramine decreased ambulation, rearing, an ...1977414270
the use of tetracyclines on the chemotherapy of experimental east coast fever (theileria parva infection of cattle).in a series of experiments, groups of cattle, undergoing patent east coast fever (ecf) reactions induced by the inoculation of tick-derived stabilates of theileria parva infective particles, were treated by parenteral administration of 2 tetracyclines. ten cattle were treated with n-pyrrolidinomethyl tetracycline at 15 mg/kg for 5 days, starting on the first day macroschizonts were detected in lymph node biopsy smears. nine of these treated cattle survived ecf reactions induced by an inoculum wh ...1977414390
[forssman's heterogenetic antigen and its demonstration in sheep muscle tissue].preparation of forssman's antiserum by means of hyperimmunization of rabbits with multiple injection of guinea-pig kidney emulsion i.v. in the course of 36 days is presented in the paper. the titre of the antiserum of rabbits utilized varied in the range between 1:1600 and 1:3200, using the antiserum to prove forssman's antigen. on the basis of the sachs-georgi reaction, the presence of the forssman's heterogenous antigen was recorded in all samples of meat collected from different parts of the ...1977414406
[sensitivity of meningococci to the antagonistic activity of nasopharyngeal microflora and antibiotics].comparative study of the meningococcus sensitivity of various serological groups with different localization in the human organism to the antagonistic activity of normal microbes of the nasopharynx and the antibiotics it was found that strains isolated from the cerebrospinal fluid of patients suffering from cerebrospinal meningitis, chiefly of serological group a, had the greatest resistance to the antagonists. taking into consideration the leading epidemiological role of the cultures belonging ...1977414490
prolactin responsiveness to trh in amenorrheic women with and without galactorrhea.sixty women were given intravenous injection of 200 microgram trh to assess its diagnostic potential as a stimulus to prl release. following the administration of trh, there was a prompt increase in serum prl to 614.6%, to 296%, to 282.1%, and 34% in normal women, amenorrheic patients, non tumoral galactorrheic cases, and patients with pituitary tumors respectively. the trh response above baseline of prl levels was statistically significant in all groups, but the women with pituitary tumors whic ...1977414510
effects of eustachian tube ligation on auditory nerve responses to clicks.auditory nerve responses to condensation and rarefaction clicks were recorded from the external ear canal of cats using a closed acoustic system. repeated control recordings from both ears formed a baseline for each of four animals used in this study. after a baseline had been established, the eustachian tube on one side was ligated and serial recordings of n1 responses were performed for up to 140 days postligation. by comparing the shift which occurred in the n1 latency-vs-click level plots af ...1978414648
glycosylation of endogenous lipids and proteins by preparations of chicken embryo fibroblasts.glycosylation of endogenous phosphoisoprenyl lipids and membrane-associated proteins was shown to occur in preparations of chicken embryo fibroblasts incubated with gdp[14c]mannose and udp-n-acetylglucosamine. the two preparations used were cells released from the culture dishes by buffered saline containing edta and crude membranes from those cells. both beta-mannosyl-phosphoryldolichol and oligosaccharide-phosphoryl lipids with five to eight sugar residues were labelled under the conditons emp ...1978414785
diffusion control in reversible enzyme reactions. applications to carbonic anhydrase.the limit to the possible rate of reversible enzymatic reactions set by the diffusional motion has been considered. it is found that not only the diffusion of the reactants to the enzyme but also the diffusion away of the products can be rate limiting. to avoid assumptions about the detailed nature of the enzyme only diffusion in the bulk aqueous medium is treated. by such an approach one obtains an upper limit to the possible rate. in the latter half of the paper the derived general equations a ...1974414801
[morphological evolution of the first lower premolar of some higher primates].recent discoveries in africa, in asia and in europe of new fossils attributed to the ramapithecinae and/or to the australopithecinae seem to point out the monocuspid origin of man's first lower premolar the bicuspidy of the gigantopithecidae, the oreopithecidae' and the hominidae' first lower premolar, reached at different geological ages, give an example of parallel evolution.1974414845
fanconi's anaemia in adults: study of three families. 1974414973
mumps virus cytopathic effect in bonnet monkey kidney cell cultures. 1977414999
determination of corynebacterium diphtheriae toxigenicity by a colorimetric tissue culture assay.chinese hamster ovary (cho) cell cultures in microtiter wells are sensitive to growth inhibition and killing by picogram quantities of diphtheria toxin. in the absence of biologically active toxin, the cho cell culture produces sufficient acidic metabolites to change the phenol red ph indicator from pink to yellow within 56 h. in the presence of 10 pg of toxin per well, growth inhibition can be observed microscopically within 24 h. diphtheria toxin can be qualitatively assayed from culture super ...1978415068
the effects of severe keratitis on corneal transmission.an investigation into the effects of keratitis on corneal light transmission is presented. transmission data from 9 diseased corneas are compared to those of 22 normal corneas in the 0.3-0.8 micron spectral range. rhesus monkey corneas were used in the study. several color photographs illustrate varieties of idiopathic keratitis in rhesus monkeys.1978415084
diencephalic efflux of calcium ions in the monkey during exercise, thermal stress and feeding.1. the diencephalon of the unanaesthetized macaque monkey was radio-labelled with calcium by a microinjection of 6-8 muc (45)ca(2+) into the third cerebral ventricle through a permanently implanted cannula. successive 5 min push-pull perfusions of the mid-line hypothalamic region with an artificial c.s.f. were carried out at a rate of 28 mul./min every 20 min. a washout curve of declining (45)ca(2+) radioactivity was thus generated.2. when the monkey exercised strenuously on a special ;rowing ma ...1977415131
isolation of a bacillus subtilis 168 derivative sensitive to defective bacteriophage pbsx.a derivative of bacillus subtilis strain 168 sensitive to defective bacteriophages pbsx and pbsz has been isolated. this particular strain, rub824, carries the genetic information for defective bacteriophage pbsx.1978415153
[nonspecific infection in patients with tuberculosis of the urinary tract during antibiotic therapy]. 1977415177
nutritional implications of the maillard reaction. 1975415265
gastrointestinal complications after external megavoltage treatment.66 cases treated with external megavoltage irradiation for various malignant diseases in the abdomen are presented 26 patients (39%) had radiation reactions during and immediately after the treatment. late complications at least two months after the treatment appeared in 15 patients (23%). the relatively low frequency of intestinal disturbances induced by radiotherapy in the present series may have been caused by the low weekly dose in the abdomen and the practise of a split-course interval in t ...1975415383
respiratory syncytial virus infection in adults: clinical, virologic, and serial pulmonary function studies.we prospectively studied 10 previously healthy adults who developed an acute respiratory illness while working in an infants' ward during a community outbreak of respiratory syncytial virus infection. in addition to clinical and viral evaluation, total respiratory resistance before and after carbachol aerosol inhalation was measured. all 10 subjects had respiratory syncytial virus infection documented by viral isolation, and all developed pronounced cough, nasal congestion, and fever. eight subj ...1978415653
[non-invasive study of the patency of aortocoronary bypass with pulsed doppler technic. preliminary studies].the pulsed doppler effect is a non-invasive investigation technique based on the fact that the blood cells moving in a vessel on which ultrasound is incident cause a rebound of different frequency, according to their rate. this technique allows us to measure flow in a "measuring volume", whose size and depth are regulable. it is also possible to collect the signal from one or several aorto-coronary grafts, and to distinguish these from the sorrounding vasculature by their diastolic perfusion. th ...2004415678
[coronary stenosis in angina pectoris with normal resting electrocardiogram].the arteriographic abnormalities found in 104 patients with typical angina pectoris and an electrocardiogram at rest which was normal at the time of arteriography were compared with those of 238 cases with typical angina pectoris, but with an abnormal electrocardiogram (127 having st/t changes, 111 having transmural necrosis). there was no major difference between the two groups as far as the degree of coronary stenosis was concerned, nor in its extent and distribution. however, by comparison wi ...2004415686
identifying electrical hazards and implementing safety measures--the theatre nurse's role. 2004415720
connective tissue composition of aortas from non-human primates. a comparative study.connective tissue composition of aortas from several non-human primate species has been studied in an effort to relate collagen, elastin, ang glycosaminoglycan (gag) content to species susceptibility to atherosclerosis. among the species studied the baboon contained the highest content of gag in the aorta. while the distribution of individual gag varied from species to species, heparan sulfate (hs) was the highest gag in aortas from most of the species. the ratio of hs to chondroitin sulfates (c ...1978415748
slow virus e malattie croniche del sistema nervoso centrale.the purpose of this report was to detect whether some subacute or chronic human neurological diseases are significantly associated with traditional virus like papovavirus and paramixovirus and non conventional agents (scrapie-like) or non classified (multiple sclerosis associated agent or msaa). in this connection for m.s. the data concerning the ethiological factors paramixovirus or mssa are presented and discussed and it is hypothesized the virus mechanism in the pathogenesis of m.s.1978415749
effect of age, weight and adequacy of zinc intake on the balance between alkaline ribonuclease and ribonuclease inhibitor in various tissues of the rat.1. deficiency of zinc inhibits growth and also increases the activity of alkaline ribonuclease in certain tissues of the rat (prasad & oberleas, 1973). zn could influence ribonuclease activity by direct effects on the enzyme or its natural inhibitor, or non-specifically as occurs when growth rate is affected by various other factors. these possibilities were studied. 2. alkaline ribonuclease was shown to be inhibited by zn in vitro, but the concentrations of zn required were so high that the enz ...1978415757
regulation of brain water permeability by centrally-released vasopressin. 2004415801
conservation of active ribosomes in acetone-treated cells of tetrahymena pyriformis.the preparation of an acetone powder of cells of tetrahymena pyriformis gl is described. a comparison of ribosomal particles isolated from acetone-treated and untreated cells shows that structurally and functionally intact ribosomes can be isolated from acetone-treated cells. fully active ribosomes have been isolated from acetone powder of tetrahymena that had been stored for more than 6 months at 4 degrees c. thus, this procedure allows easy storage of large quantities of cells for the bulk pre ...1970415859
evaluation of a surgical method for immobilizing the eye of an alert monkey.one eye of a macaque monkey was immobilized by severing the third, fourth, and sixth cranial nerves. the residual movements of the operated eye were measured by repeatedly mapping the position of a visual receptive field. movements of several degrees were caused by contraction of the orbital musculature during the closure blink. the amount of movement was dramatically reduced by paralysis of the superficial orbital muscles with a local anesthetic. side effects of surgical immobilization include ...1978415895
tissue-, age-, and stage-specific patterns of protein synthesis during the development of drosophila melanogaster. 1970415914
production and quality control of therapeutically applicable vibrio cholerae neuraminidase (vcn). 1977415923
effect of oral pancreatic enzymes on the course of cholera in protein-deficient vervet monkeys.the effect of pancreatic extract on the course of cholera infection in protein-deficient vervet monkeys (cercopithecus aethiops) was studied. eleven animals were made protein deficient by diet. thier intestinal pancreatic enzyme concentration decreased as they became protein depleted. these animals were then challenged with vibrio cholerae. four control animals given a standard diet were similarly challenged. immediately after challenge, 6 of the protein-deficient monkeys were given a highly pur ...1978415928
a genetic locus having trans and contiguous cis functions that control the disproportionate replication of ribosomal rna genes in drosophila melanogaster.the results of deficiency mapping experiments reveal the presence of a compensatory response (cr+) locus that is located distal to the cluster of ribosomal rna (rrna) genes and is responsible for disproportionately replicating these genes when cr+ locus is present in a single dose, as in x/o males or x/sc4-sc8 females. the cr+ locus is novel in that it exhibits both trans and contiguous cis acting properties in somatic cells. it acts in trans to detect the presence of its partner locus in the op ...1970415940
brucellosis in elk i. serologic and bacteriologic survey in wyoming.incidence of brucellosis in elk (cervus canadensis) on two winter feedgrounds in wyoming was examined over a 5-year period by testing serum samples using the standard plate agglutination (spt) buffered brucella antigen (bba), rivanol (riv) and complement fixation (cft) tests. thirty-one percent of 1,165 elk were positive by defined criteria. considering each test individually, only 29% (106) of 370 positive sera would have been classified as reactors by the spt, 83% (307) by the bba test and 86% ...1978416232
immunoglobulins. 1971416241
hypercomplexities in the visual cortex. 1978416357
zinc deficiency with skin lesions as seen in acrodermatitis enteropathica, and intoxication with zinc during parenteral nutrition. 1971416361
[detection of ovulation by changes in the color in the cervical mucus]. 2004416471
splenomegaly with carcinoma of the colon and rectum.scans of the liver and spleen were reviewed for patients with carcinoma of the large intestine. the patients were divided into groups, depending upon the size of the liver and spleen. those with enlarged spleens tended to have an increased survival time compared with those without splenomegaly. it is postulated that splenomegaly is a good predictor of survival when used with the dukes' classification and that the increased size of the spleen is on an immunologic basis.2004419445
[carbon polymer stomata in vesicostomy and other urinary diversion procedures (author's transl)].implants of pure carbon are ideal for prosteses because of their tissue acceptability and lack of incrustation. animal experiments with biocarbon implants were tested as subfascial implantations, coeco-, ileo-, and vesicostomies, (n = 37). the results showed lack of reaction and good healing of the stomata, lack of incrustation, and water tight urinary diversion. based on these animal experiments biocarbon vesicostomies were carried out successfully in six patients. the follow up period was 3--1 ...1979419640
[an aid to the improvement of living conditions for the metally retarded in permanent facilities]. 2004419781
the effect of digested sludge on the common carp, cyprinus carpio l.the effects of sewage sludge on the survival of the common carp, cyprinus carpio, were investigated. it was noted that, when the concentrations of the sludge used for rearing carp exceeded 0.6%, the fish died within 42 days, whereas those reared in 0.2% sludge remained alive and healthy during the trial period. the body and the gills of the dead fish were covered by a veil-like film which looked like coagulated mucus and was formed by the heavy metal ions from the sludge reacting with some const ...2004419924
[the effect of blood-filled meshwork of arachnoid villi in connection with posttraumatic brain edema (author's transl)].based on the kellie-munro doctrine according to which the intracranial compartments--blood, brain, and csf--are in a state of pressure and volume equilibrium, we examined if traumatic lesions of the liquor absorption passages could change the intracranial pressure (icp). therefore, we reviewed the arachnoid villi and granulations of patients which died as a result of head injuries. in cases of traumatic subarachnoidal hemorrhages the meshwork of arachnoid villi are filled throughout with blood. ...2004419940
lesions of the myofibril in myopathic and normal tissue from seven striated muscles. experimental myopathy of isometric activity produced by phencyclidine and restraint. 1979419941
hyperthecosis syndrome. clinical, endocrinologic and histologic findings.five patients were found to have hyperthecosis ovarii as evidenced by the presence of large lipid containing thecal cells in the ovarian stroma. the clinical picture was similar in all of them, featuring mild virilization, obesity and oligomenorrhea, with refractoriness to clomid therapy. plasma fsh levels were low normal, while lh levels were slightly elevated. urinary 17-ketosteroids levels were elevated, and plasma testosterone concentrations were upper normal. the response to dexamethasone s ...2004419961
nutritional supplementation and the outcome of pregnancy. ii. visual habituation at 15 days.colombian women at risk of mild-to-moderate malnutrition were enrolled in a health care program and randomly assigned into nutritional supplementation and control groups at the beginning of the third trimester of preganancy. one hundred unsupplemented and 144 supplemented infants were tested at 15 days of age: a 2x2 checkerboard was presented eight times followed by a single presentation of a 6x6 checkerboard. unsupplemented infants showed less initial attention followed by slower habituation an ...2004420136
operation of the coconut fiber/burnt rice husks filter for supplying drinking water to rural communities in southeast asia. 2003420360
oculosympathetic paresis. analysis of 100 hospitalized patients.of 100 consecutive, adult, hospitalized inpatients with acquired unilateral oculosympathetic palsy, in 63 the central neuron was involved-usually due to strokes; in 21, tumor or trauma affected the preganglionic neuron; and in 13, postganglionic damage was sustained from a variety of causes. the preponderance of first neuron involvement by stroke is in part a reflection of patient sampling, but emphasizes the fact that central causes of horner's syndrome are common.1976420595
congenital nystagmus surgery. a quantitative evaluation of the effects.nystagmus intensities at various gaze angles were studied both preoperatively and postoperatively, using accurate ocular motility recordings, in three cases of congenital nystagmus. in addition to shifting the nystagmus null, the surgery broadened the null region and resulted in an overall reduction in nystagmus intensity at all gaze angles. surgical rotation also resulted in improved visual acuity in all cases. the postoperative acuity at 0 degrees was better than the preoperative acuity at bot ...1976420633
emergency problems involving sinusitis.the problems which the primary physician or flight surgeon might expect to encounter with regard to acute sinusitis are presented. the need for exact diagnosis, the goals of treatment, and the management of the progress of the disease processes are reviewed.1976420671
the effect of cancer on the spin-lattice relaxation time of mouse blood and tissue.spin-lattice relaxation time measurements were made on the muscle, heart, kidneys, spleen, liver, brain and blood of both normal mice and those injected with sarcoma-180. as well as a marked increase in the relaxation time of the tumour itself, mice injected with sarcoma-180 showed a rise in the kidney relaxation time, along with blood relaxation times which were often either above or below the range found in normal mice. correlation coefficients for the relaxation times of the various organs we ...1979420868
effect of partial hepatectomy and hydrocortisone administration on liver and serum sialyltransferase activities.partial hepatectomy of rats was followed by a rise in liver sialyltransferase activity. the maximum (2.5-fold increase) was reached on the third day after the operation, after which the level started to decline, returning to normal by day 6. determination of serum sialyltransferase in these animals showed a parallel pattern. daily injection of 5 mg hydrocortisone to adrenalectomized rats led to a maximal 3-fold elevation in liver sialyltransferase within 3 days, but failed to elicit any change i ...1979420869
cadmium accumulation and metabolism by rat liver parenchymal cells in primary monolayer culture.primary cultures of adult rat liver parenchymal cells, isolated by the collagenase perfusion technique and maintained as a monolayer, were used to investigate the characteristics of hepatic cadmium accumulation and metabolism. cadmium accumulation was found to be a temperature- and concentration-dependent process that required sulfhydryl groups and was significantly stimulated by the addition of dexamethasone to the medium. once taken up, cadmium was less available for exit-exchange processes th ...1979420870
cold stress influence on lung lecithin in the newborn rabbit.term, food-water deprived newborn rabbits exposed to a cold environment for 48 h demonstrated a significant decrease in total lung lipid (p less than 0.01), total triglyceride (p less than 0.001), total phospholipid (p less than 0.05), and total phosphatidylcholine (p less than 0.025). disaturated phosphatidylcholine remained unchanged. fatty acid methyl esters of total and disaturated phosphatidylcholine were not influenced by cold stress. likewise, there was no alteration in pulmonary function ...1979420891
mass spectrometry of some ultraviolet absorbing derivatives of sugars and related alditols: identification in biologic fluids after separation by high performance liquid chromatography.the 70 ev electron impact mass spectra of the acyclic perbenzoyl 0-benzyloximes of several mono- and disaccharides of clinical interest and the perbenzoates of certain related alditols have been obtained and compared with those of other similar derivatives studied previously. in general, the spectra of the benzyloximes contain molecular ions and characteristic fragments due to [c6h5]+,[c7h7]+,[c6h5co]+ and [c6h5cooh]+., losses of hcho, c6h5coo. and c6h5cooh, and cleavages along the carbon chain. ...1976420916
[effect of hypotensive agents on baroreceptor reflexes in waking animals]. 1979420939
surgical aspects of radiation injury to the intestine.the clinical features are described of 37 patients requiring surgical management for radiation injury to the intestine sustained as a result of treatment of abdominal or pelvic malignancy. twenty-nine of the patients underwent operation and only 4 remained symptom-free after the procedure. thirteen patients died in the postoperative period, and of these, 5 were free of the original disease. possible predisposing factors in the production of intestinal injury are discussed, as are various means o ...1977420986
neglect of speech therapy. 1977421031
lacrimal sac calculi.analysis of dacryoliths removed at operation showed that most consisted of calcium. one consisted of ammonium and could be directly related to the presence of bacteria. tear samples obtained from 14 patients with dacryoliths were compared with seven normal patients with regard to calcium, phosphorus, and uric acid concentrations, tear to serum calcium ratios, and calcium-phosphate products. there was no significant difference between the two groups and thus no evidence that dacryoliths from beca ...1977421159
squamous cell carcinoma in chronic hydradenitis suppurativa: a case report.a case of squamous cell carcinoma arising in hydradenitis suppurativa of over 20 years duration is described. only 6 other cases are reported in the literature. multiple sites of origin of malignancy is suspected in this case. wide-spread bone metastases resulted in severe hypercalcemia. palliation was obtained for a short period following chemotherapy and adriamycin and bleomycin. autopsy studies showed metastatic tumor in almost all the organs of the body.1977421191
patterns of urinary excretion of modified nucleosides.a recently developed high-performance liquid chromatography method permits quantitative measurement of low levels of modified nucleosides in urine. we report on the patterns of excretion of seven modified nucleosides by normal subjects and cancer patients. it was found that the excretion of these nucleosides expressed as a function of creatinine concentration was constant, not episodic nor related to diet. thus, randomly collected samples of urine are satisfactory sources for measurement of nucl ...1977421198
oral acetylsalicylic acid (aspirin) challenge in asthmatic children.thirty-two asthmatic children, mean age 9.6 years (range: 6-14 years), were studied by oral challenge with acetylsalicylic acid (aspirin), and their pefr was recorded at 30 min intervals for 3 hr. they had been asthmatic for a mean of 7.1 years. other allergic symptoms (urticaria, rhinitis or atopic dermatitis), were present in 81% of the patients, and a family history of atopy in 94%; the mean blood eosinophilia was 590 cells per mm3. in three children aspirin induced a fall in pefr values less ...1977421338
fatigue of human polymorphonuclear leukocyte function associated with bacterial ingestion. 1979421375
lateral-view ventilation images with 133xe.for better delineation of regional ventilation abnormalities, a lateral-view imaging has been employed when one or more areas of abnormal retention were visible in posterior views of 133xe washout images. it is technically simple to obtain lateral views during the 133xe washout phase. the resulting images were found to be very useful in detecting regions of ventilation-perfusion mismatch and in evaluating regional obstructive lung disease.1977421400
the border-zone pattern of cerebral infarction demonstrated by nuclear scintigraphy. 1977421401
the urinary tract image obtained during 99mtc bone scanning.during the course of a technetium (99mtc) bone scan, it is usual to obtain an image of both kidneys and the bladder. a review of 96 bone scans performed over a two-year period was undertaken in an attempt to assess the accuracy of this image. ten examinations showed abnormalities of the urinary image suitable for inclusion in the paper, and were subsequently further investigated. three cases showed that relatively small lesions may be detected within a kidney if localised caliectasis produced a ...1979421427
nocturnal vs diurnal cardiac arrhythmias in patients with chronic obstructive pulmonary disease.continuous electrocardiograms were recorded from ten patients with chronic obstructive pulmonary disease. during 24 hours of recording, the patients breathed air; and for 24 hours, they breathed oxygen at 2 l/min by nasal cannula. oxygenation, as monitored by ear oximetric studies and by periodic analysis of arterial blood, showed frequent nocturnal desaturation. nine patients demonstrated arrhythmias during the monitoring period, and the frequency of premature ventricular contractions was signi ...1977421531
surgical removal of a left atrial myxoma during pregnancy.successful removal of a left atrial myxoma in a pregnant woman has not been previously reported. the patient postoperatively had an uncomplicated pregnancy, delivering at term a normal, healthy baby.2004421587
bloody pleural effusion associated with an intralobar pulmonary sequestration.a 50-year-old male cigarette smoker with a posterior parenchymal lung mass developed a bloody, exudative pleural effusion. pathologic examination of the resected lung confirmed the preoperative diagnosis of an intralobar pulmonary sequestration.2004421588
child custody consultation in abuse and neglect: a practical guide.mental health professionals are being asked with increasing frequency to consult to the courts regarding custody in cases of suspected abuse and neglect. this paper provides practical guidelines for evaluation of these families in order to maximize the effectiveness of consultation and minimize common pitfalls usually encountered with such evaluations. the authors offer suggestions for structuring the evaluation, dealing with family reisitances, writing the report and testifying in court. it is ...2004421604
[treatment of trochanteric fractures by means of intramedullary nailing from the distal metaphysis]. 2004421608
hepatocellular iron-containing deposits in relatives of patients with latent idiopathic hemochromatosis: a qualitative and quantitative approach.the quantitative and qualitative study in electron microscopy of hepatic fragments taken in apparently healthy collaterals of idiopathic hemochromatosis, shows the presence of siderosis, undetectable by perls reaction comparatively with normal liver samples.1978421852
the ultrastructure of red nuclei neurons in the valine-deficient rat. 1979421863
[effect of lithium hydroxybutyrate on several heart function indices].dl50 of intraperitoneal lithium oxybutyrate administered to cats was found to amount to 724 mg/kg, while in doses of 13.5--360 mg/kg it increases the coronary blood flow volume in cats by 20.3--122.2 per cent, directly proportional to the dose. lithium oxybutyrate prevents the chlorocalcium arrhythmia in rats and eliminates strophanthine-induced anemia in cats, surpassing an analogous effect of lithium chloride, potassium chloride, quinidine, novocainamide and isoptin. it raises the activity of ...1979421889
nursing in a forensic unit. 1978421975
good faith bargaining: two important decisions. 1978421976
[release of medical records not compulsory]. 1978422025
[the women in society--a breakthrough? (author's transl)].the recent changes in the marriage rates and birth rates as evidenced by demographic data demonstrate that these changes are closely related to the capitalistic economic order. the international competition forces the national economies continually to rationalize and to introduce automation. the striving for a secure place of employment leads in the market economy to lay offs and the reduction in new employment, women are confronted with the problems of profession and employment in a way which l ...1978422026
[functional disorders of the esophagus. diagnosis and therapy].functional disorders of the esophagus may be divided into alterations of the pharyngeal and upper esophageal sphincter motor function, malfunction of the tubular esophagus and disorders of the lower esophageal sphincter. radiology, endoscopy and manometry are essential in the evaluation of the individual patient, in lower esophageal sphincter insufficiency with reflux disease acid clearance, reflux provocation test, acid perfusion and ph metry should be added. conservative vs. operative therapy ...1978422103
the use of seclusion on an inpatient crisis intervention unit.because of the use of seclusion is controversial, a retrospective study of 50 patients was designed to examine how seclusion is actually being used on a short-term inpatient crisis intervention unit. it was found that 44 per cent of the patients were secluded during their stay. neither sex nor race seemed to be a factor in whether a patient was secluded, but elderly patients and depressed patients were less likely to be secluded. most of the seclusions occurred on the first day of hospitalizatio ...1978422134
in vitro fertilization research funding seen "ethically acceptable". 1978422168
hospital and physicians operated competing cat scanners. 1979422175
modeling of an active nerve fiber in finite volume conductor and its application to the calculation of surface action potentials. 1978422217
depression of cell-mediated immunity in cholera.cholera toxin may depress cell-mediated immunity by stimulation of adenyl cyclase and production of cyclic amp in cellular systems or when given parenterally to experimental animals. whether or not similar effects might be found during clinical infection with vibrio cholerae was the subject of this study. delayed hypersensitivity reactions to skin test antigens were found to be markedly depressed in bengali patients with cholera 24 h after fluid repletion. skin test response rates were lower in ...1979422232
nyu guest lecture television program. an evaluation of distributed videotapes. 1972422316
a new portable alpha survey instrument. 1972422376
design improvement for tld card reader. 1972422388
differentiation in normal human buccal mucosa epithelium.the epithelium of normal human buccal mucosa was studied by light and electron microscopy and stereological procedures in twenty punch biopsies of 10-15 years old females. morphometric point counting techniques were employed in order to estimate the density of cell membranes in the superficial third of this epithelium. observations and data suggested that (1) there is a dense and regular papillary body of slender connective tissue papillae which bifurcate within and penetrate the basal two third ...1979422483
colorimetric determination of poly(n-vinyl-2-pyrrolidone) in contact lens solutions.a rapid colorimetric method is presented for the quantitative determination of poly(n-vinyl-2-pyrrolidone) in contact lens solutions. the method is simple, requires no sample pretreatment, and uses only a small volume of sample. the procedure is based on the measurement of the net absorbance of a poly(n-vinyl-2-pyrrolidone)- congo red complex at 545 nm. an accuracy of greater than +/- 4% was obtained for the concetnration ranges usually found in contact lens solutions with a minimum detection le ...1972422505
mechanized system for liquid chromatographic determination of 4-nitrophenol and some other phenolic pesticide metabolites in urine. 1972422508
restoration of specific myxovirus receptors to asialoerythrocytes by incorporation of sialic acid with pure sialyltransferases. 1979422571
arthrodesis of the knee following failed total knee arthroplasty.in forty-five patients, who had an arthrodesis because of failed total knee arthroplasty, the cause was infection in forty, instability in two, failure of the prosthesis in two, and loosening in one. the arthrodesis succeeded in twenty-nine (81%) of thirty-six patients who had had a minimally or partially constrained arthroplasty and in five (56%) of nine who had had a hinge-type prosthesis inserted. the reasons for failure were severe bone loss, persistent sepsis, and loss of bone apposition af ...1972422603
bipartite median nerve at the wrist. report of a case. 1972422626
decompression of the extensor tendons at the wrist in rheumatoid arthritis.simple decompression of the extensor tendons at the wrist was carried out on fifty-four wrists in a total of forty-one patients with rheumatoid disease. this procedure was combined with excision of the ulnar head in forty-five wrists. complete resolution of the synovitis occurred in 81.5 per cent of the wrists. in two patients the tendons ruptured soon after operation and in both cases this was due to prolapse of the ulnar stump after an associated darrach procedure. the clinical results of deco ...1973422635
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