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regulation of the in vitro synthesis of the alpha-peptide of beta-galactosidase directed by a restriction fragment of the lactose operon. 197896823
[proton beam treatment in the neurosurgical field]. 199996847
salvage radiotherapy in inoperable or recurrent carcinoma of the rectum. 199996849
phycobiliprotein synthesis in protoplasts of the unicellular cyanophyte, anacystis nidulans.stable and metabolically active protoplasts were prepared from the unicellular cyanophyte, anacystis nidulans, by enzymatic digestion of the cell wall with 0.1% lysozyme. the yield of protoplasts from intact algal cells was approx. 50%. incorporation of l-[u-14c]leucine into cold trichloroacetic acid-insoluble material from protoplasts preparations was linear for 1.5 h and continued for an additional 2.5 h. incorporation of radiolabeled leucine into hot trichloroacetic acid-insoluble material fr ...197896857
vitamin a and thyroxine carrier proteins in chicken plasma: steady-state control of the plasma level of free retinol-binding protein and free thyroxine.1. the binding parameters of prealbumin-2 with retinol-binding protein and thyroxine (t4) revealed the existence of distinct and multiple sites for both retinol-binding protein and t4. 2. from the analysis of binding parameters of retinol-binding protein with prealbumin-2 it is clear that under steady-state conditions about 99% of the holo-retinol-binding protein remains bound to prealbumin-2. 3. equilibrium dialysis studies on binding properties of thyroid hormones with prealbumin-2 revealed th ...197896868
association of diamine oxidase and ornithine decarboxylase with maturing cells in rapidly proliferating epithelium.diamine oxidase and ornithine decarboxylase activities are shown to have a parallel distribution across rat small intestine mucosa; levels of both enzyme activities are sharply higher in mature cells in the villus tip region than in proliferating cells in the crypt areas. histidine decarboxylase levels were not measurable in the same cell preparations and aromatic-l-amino-acid decarboxylase activity was distributed in an opposite pattern to diamine oxidase and ornithine decarboxylase. the result ...197896870
comparison of effects of normal rabbit sera and anti-cock sperm sera on rabbit sperm, including comparison of effects on the sex ratio. 197896880
[nature of changes in the level of steroid hormones and their precursors in peripheral blood of papio monkeys under stress].the radioimmunological method was applied to determination of changes in the peripheral blood plasma level of 12 steroids in male papio hamadryas under immobilization and surgical stress. androgen content decreased, and the concentration of steroid hormone precursors and hydrocortisone blood plasma content rose in response to stress. these changes were in contraphase with the circadian steroid rhythms. the most objective and sensitive criteria of the stress situation evaluation were decrease of ...197896885
pituitary responsiveness to lhrh and trh in adolescent girls.puberty is characterized by a progressive maturation of the hypothalamus-pituitary gonadal axis which, in girls results in menarche. the first menstrual cycles are usually irregular and anovulatory, and the subtle positive and negative regulation of sex steroids on the hypothalamus-pituitary axis has probably not reached adult maturity. an investigation has been carried out in 99 normal adolescent girls, divided into 3 groups: 1-2, 3-4 and 5 years after menarche, by measuring basal hormonal valu ...197896896
[radioimmunological aspects of neuropeptides].immunological aspects of neurosecretory peptides are relevant to antibody generation, labelling of peptides for radioimmunoassays and in particular the metabolism of neuropeptides. antibodies were generally produced by adsorption or polymerization (using different approaches and various coupling agents) of peptides with intrinsic antigenic molecules preceding their administration to recepient animals (rats, guinea pigs, rabbits and sheep) with adjuvants. antibodies were also obtained by injectin ...197896897
changes in responsiveness of medial preoptic neurons to the microelectrophoresis of releasing hormones as a function of ovarian hormones. 197896913
single unit analysis of 'mirror foci' in chronic epileptic monkeys. 197896914
amino acid sequence alignment of bacterial and mammalian pancreatic serine proteases based on topological equivalences.the three-dimensional structures of the bacterial serine proteases sgpa, sgpb, and alpha-lytic protease have been compared with those of the pancreatic enzymes alpha-chymotrypsin and elastase. this comparison shows that approximately 60% (55-64%) of the alpha-carbon atom positions of the bacterial serine proteases are topologically equivalent to the alpha-carbon atom positions of the pancreatic enzymes. the corresponding value for a comparison of the bacterial enzymes among themselves is approxi ...197896920
frankly speaking: economics: nursing's friend or foe? 199996934
qualitative alterations in plasma esterases in balb/c mice following the administration of diethylnitrosamine.selected non-specific plasma esterases in female balb/c mice, separated by polyacrylamide gel electrophoresis, were qualitatively altered following treatment of the mice with diethylnitrosamine (den). these alterations include a decreased preference for naphthyl butyrate as a substrate relative to naphthyl acetate; decreased sensitivity to enhancement by divalent cations such as ca2+, mg2+, and mn2; and an increased sensitivity to inhibition by eserine. all esterase species affected were also qu ...199996943
[induction of sister chromatid exchanges in vivo in bone marrow cells of akr mice].induction of sister chromatid exchanges (sces) in bone-marrow cells of akr mice receiving in vivo four drugs well-known for their mutagenesis activity has been tested. a decreasing activity in sce was shown by the drugs tested in the order cyclophosphamide, procarbazine, methylmethane sulfonate and diethylnitrosamine. this technique presents an encouraging method for testing the effect of chemical agents in vivo.199996954
[renewal of noradrenaline in different zones of the central nervous system of inbred mice strains and their recombinants].a good correlation exists between the learning capacity and norepinephrine metabolism in the neocortex of c57 and balb inbred mice strains, as well as their f1 hybrids and seven recombinant inbred strains derived from their cross. the animals with a better learning performance are characterised by low levels of norepinephrine, as well as a slow metabolic rate of this neurotransmitter in the cortex. such a correlation has not been found to exist in the other cerebral regions studied.199996976
[formation of cutaneous nerve trunks in the chick. ultrastructural and quantitative analysis].in chick skin structuration of nervous trunks takes place at 14-15 days of incubation, at the time of formation of the adult pattern of cutaneous innervation. at this same stage, myelogenesis begins, but develops mainly after hatching: only 4% of axons are myelinated at hatching, 40% in 6-week old chickens and 60% in adults. this "critical" stage (14-15 days of incubation) apparently corresponds to the stabilization of cutaneous nerve supply.197896985
[effect of bromocriptine on the "prolactin-like cell" of nectophrynoides occidentalis (amphibia, viviparous anura): optical and electronic microscopical studies].bromocriptin has an effect on prolactin-like cells of nectophrynoïdes occidentalis. 16 days after delivery, these cells are fully active in normal animals. retention of secretory granules and myelinic formations have been observed in the prolactin-like cells of females treated by cb 154.199997001
[evolution of intrabacterial glucides during differentiation of two types of feces in the colon of the domestic rabbit].in the rabbit, during excretion of hard feces, a correlation exists between the stock of bacterial carbohydrates at the caecal level and the intensity of the bacterial lysis observed in the proximal colon.197897025
periarticular calcino-ossifications following total hip replacement. 199997060
local cerebral energy metabolism: its relationships to local functional activity and blood flow.the results of studies with the [14c] deoxyglucose technique unequivocally establish that local functional activity in cerebral tissues is, as in other tissues, closely coupled to the local rate of energy metabolism. stimulation of local functional activity increases the local rate of glucose utilization; reduced functional activity depresses it. local cerebral blood flow is normally distributed among the cerebral structures in almost exact proportion to their rates of glucose utilization and it ...197897062
schistosoma mansoni: identification of immunoglobulins associated with the tegument of adult parasites from mice. 197897093
coagulation changes following vasectomy: a study in primates.thirty vasectomized rhesus monkeys were tested for changes in coagulation factors that might reflect an increased incidence of thrombosis. the results of tests on these monkeys were compared with results of tests on 18 control rhesus monkeys; there were no significant differences between control and vasectomized animals for any of the parameters tested. one vasectomized animal had increased levels of fibrin monomer in his plasma on repeated samples, but no evidence of thrombosis on postmortem ex ...197897098
the neurological manifestations of chronic inhalation of leaded gasoline.abnormal neurological signs were found in 46 of 50 children and adolescents chronically sniffing leaded gasoline. these abnormalities resolved within eight weeks in all but one case. exaggerated deep reflexes, postural tremor and evidence of cerebellar dysfunction occurred in a highly significnat number of patients. forty-nine had blood lead levels greater than or equal to 40ug/dl. the mean blood lead levels were significantly higher in those with (a) abnormally brisk deep reflexes and (b) with ...200097111
effect of pentagastrin on the rat small intestine after resection. 197897119
[intraluminal diverticulum of the duodenum. report of a case and review of published cases].the intraluminal diverticulum of the duodenum is very rare; it is an anatomical sac like formation, located in the interior of the duodenum and communicating with it through an orifice situated a the upper pole of the diverticulum where the wall is covered by mucosa on both faces. it has interesting etiopathogenic problems. we present an observation after reviewing the corresponding literature. it was a 32-year old woman suffering from moderate epigastric pains, pyrosis, chronic constipation, ma ...200097140
[comparative study of cicatrization in anastomosis of the cervical esophagus with suture technics of 1 and 2 layers. experimental work in dogs]. 197797146
[gastric candidiasis. report of a case].one patient was seen with candida albicans infection in a gastric ulcer. gastric biopsy was of value in the diagnosis. the patient responded well to nistatin therapy.197797165
[nature of the mutations that determine the ability of bacillus subtilis a-50 to sporulate at high glucose concentrations in the medium].the ability of bacillus subtilis a-50 to sporulate in the medium containing high glucose concentrations is caused by at least two mutation types: pts mutations and cat (or tgl) mutations, both of them affecting differently the level of alkaline proteinase synthesis. the decrease of the level of enzyme activity in the case of pts mutation (glur3 mutant) occurs at the expense of glucose transport disturbance. the mutation cat (tgl) (mutant glur5) causes the increase in enzyme synthesis at the expe ...197897172
[use of disodium cromoglycate in children with bronchial asthma]. 200097179
lactase activity of microorganisms.sixty-two strains of yeasts, molds and bacteria were screened for lactase (beta-d-galactosidase) activity. strains exhibiting the enzyme activity were evaluated for cell yield as well as enzyme units available per litre of the medium, per g cell dry weight and per mg protein of their cell-free extracts. the molds exhibited lowest enzyme activity but highest cell yields, bacteria produced lowest cell yield and maximum enzyme activity. cultures exhibiting very high activity among yeasts were sacch ...197897187
day hospitalization as a cost-effective alternative to inpatient care: a pilot study.two private day hospitals and an insurance company offering group health coverage to federal employees undertook a pilot study to determine if providing insurance coverage for day hospitalization on the same basis as for inpatient treatment was a feasible means of controlling the cost of psychiatric care. the study included 31 patients who otherwise would have been hospitalized; most had histories of severe psychiatric disorders and extensive treatment. using the measure that the day hospital pa ...200097202
congenital lesions of the eye (an autopsy study). 200097213
impaired host resistance to endotoxin and malaria in polychlorinated biphenyl- and hexachlorobenzene-treated mice.the in vivo effect of polychlorinated biphenyl (pcb) and hexachlorobenzene (hcb) on murine endotoxin sensitivity and resistance to malaria (plasmodium berghei nyu-2) infection was studied. the dietary administration of 167 ppm (167 microgram/g) of pcb 1242 or hcb for 3 weeks resulted in an enhanced sensitivity to gram-negative endotoxin (salmonella typhosa), which was further increased in animals maintained on the diets for 6 weeks. by 6 weeks, a 5.2- or 32-fold increase in endotoxin sensitivity ...197897225
effect of growth environment on pseudomonas aeruginosa killing by rabbit polymorphonuclear leudocytes and cationic proteins.pseudomonas aeruginosa grown in a chemostat under carbon- and magnesium-limited conditions showed varying resistance to killing by rabbit peritoneal exudate polymorphonuclear leukocytes. slow-growing (d = 0.05 h-1), magnesium-limited cells were significantly more resistant to the lethal effects of the phagocytes than were fast-growing magnesium-limited cells and carbon-limited cells (d = 0.05 h-1 and d = 0.5 h-1, respectively). the resistance of magnesium-limited cells to killing by cationic pro ...197897227
antimicrobial agents as preservatives in pharmaceutical and cosmetic products. agents as preservatives in eye-drops and contact lens solutions. 197897255
biosynthesis of delta-aminolevulinic acid by blue-green algae (cyanobacteria).when levulinic acid, a competitive inhibitor of delta-aminolevulinic acid dehydratase, was added to growing cultures of blue-green algae (cyanobacteria), delta-aminolevulinic acid was excreted into the medium and cell growth was inhibited.197897274
immunological purification of sea urchin egg tropomyosin.the antiserum against lantern muscle tropomyosin of the sea urchin was prepared, and the presence of tropomyosin in the sea urchin egg was shown by immunodiffusion test between the antiserum and the egg tropomyosin fraction which was prepared according to the purification method for muscle tropomyosin. the sea urchin egg tropomyosin was isolated from the immuno-precipitate formed between the antiserum and the egg tropomyosin fraction. the subunit molecular weight of the egg tropomyosin was calcu ...200097282
characterization of the purified components of a new homologous series of alpha-mycolic acids from mycobacterium tuberculosis h37ra.homologous series of alpha-mycolic acids from mycobacterium tuberculosis h37ra were separated according to size as their p-bromophenacyl ester by bonded c18 reverse-phase, high performance liquid chromatography. mass spectrometry of the prominent components separated by high performance liquid chromatography gave relatively simple spectra and showed a series of components differing by 28 atomic mass units. a total of different structures were identified. the structures were established as follow ...197897292
amino acid sequence of beta-galactosidase. viii. sequence of the nh2-terminal segment, cnbr peptides 1 to 9, residues 1 to 377.the amino acids in 9 cyanogen bromide peptides have been placed in sequence starting from the nh2 terminus. the peptides account for residues 1 to 377 of the whole protein and include the largest (cnbr7, 119 residues) and the smallest (cnbr1, 2 residues) of the cyanogen bromide peptides. this region contains only 3 of the 20 lysine residues in the polypeptide chain. a high proportion of charged groups are present (28 of 66 arginine, 28 of 60 glutamic acid, and 24 of 65 aspartic acid residues).197897295
immunochemical studies of the inactivation of aspartate transcarbamylase by stationary phase bacillus subtilis cells. evidence for selective, energy-dependent degradation.the aspartate transcarbamylase of bacillus subtilis is stable in exponentially growing cells, but undergoes rapid, energy-dependent inactivation when growth is inhibited by nutrient depletion or addition of antibiotics or other inhibitors of metabolism. this inactivation has been analyzed by a variety of immunochemical techniques, including direct and indirect immunoprecipitation of extracts of cells labeled with 3h-amino-acids, microcomplement fixation, and neutralization of enzymatic activity. ...197897299
regulation of ribosomal rna synthesis in tetrahymena pyriformis.ribosomal rna is synthesized at constant rate during most of the cell cycle in heat-shock synchronized populations of tetrahymena pyriformis. early in each macronuclear s-period the rate of synthesis increases abruptly, concomitant with replication of the genes coding for ribosomal rna. the increase is prevented by inhibitors of dna replication, added prior to the s-period. similarly, in cultures synchronized by starvation/refeeding, inhibition of dna replication, at the time when the rdna is re ...200097302
gray scale sonographic diagnosis: multiple congenital splenic cysts. 200097321
scanning electron microscopic observations of the development of the somites and their innervation in anuran larvae.the development of the paraxial mesoderm in tadpoles of xenopus, bufo and rana was observed with a scanning electron microscope. in addition to examination of the differentiation of the surface and the interior of the somites, some attention was also paid to the transformation of the material of the neural crests and to the innervation of the developing myotome.200097358
folate analogues altered in the c9-n10 bridge region: n10-toxylisohomofolic acid and n10-toxylisohomoaminopterin. 197897383
ocular manifestations of phycomycosis in a diabetic. 200097389
preliminary x-ray crystallographic data on phospholipase c from bacillus cereus. 197897390
weight, height and arm circumference of a group of low income esfahan children. 200097397
transient pseudomonas bacteremia in a heroin addict. resemblance to right-sided endocarditis. 197897401
neonatal gonococcal orogastric contamination. 197897404
deep vein thrombosis. 200097405
[importance of close observation of the patient and confirmation of the findings]. 200097450
[activities of a home helper. mobile bathing service]. 200097458
[results of early nutrition of newborn infants with low birth weight. ii. effects of early nutrition on bilirubin metabolism of newborn infants with birth weights from 1501 to 2000 g]. 197897464
unique behavioral effects of beta endorphin and their relationship to thermoregulation and hypothalamic function. 197897480
increased vasodepressor effect of prostaglandins a1 and e1 in renal hypertensive rabbits. 197897482
the preparation and use of antibodies as diagnostic biochemical probes. 197897493
[multiplication of bdellovibrio bacteriovorus in the cytoplasm of the bacterial host].the bacterial parasite bdellovibrio bacteriovorus was studied in the process of its interaction with the host bacterium pseudomonas fluorescens. as has been shown by time-lapse microcinematography, along with the normal growth of b. bacteriovorus in the periplasmatic space of the host bacterium, occasionally (4--5%) the parasite is located in the cytoplasm where the complete stage of its intracellular growth takes place with the release of progeny.197897504
automated multiphasic health tests. 200097506
the epidemiology of heroin and other narcotics: reflections on the stanford session. 200097555
a critique of: leon gibson hunt, "prevalence of active heroin use in the united states". 200097560
malignant transformation of a mouse epithelial cell line with polycyclic aromatic hydrocarbons. 197897564
diabetic ketoacidosis. continuous infusion of low-dose insulin. 200097603
[periarticular heterotopic ossification]. 200097610
[sensitivity of bacteria to antibiotics. evaluation of a rapid automatic method (author's transl)].a rapid automated sensitivity testing system is evaluated in this report. the results have been compared with the standard disk diffusion method (ics). three hundred strains recently isolated from clinical cases : enterobacteriaceae, staphylococcus aureus, streptococci d, pseudomonas aeruginosa, have been tested. the general agreement between the two techniques was 89 p. cent.197897613
selected genodermatoses. 200097616
residues of polychlorinated biphenyls, ddt, and ddt metabolites in pennsylvania streams, community water supplies, and reservoirs, 1974--76.pennsylvania streams, community water supplies, and open water reservoirs were analyzed for pcb mixtures, ddt, and ddt metabolites. streams were sampled in 1974 and again in 1975. only 4 of 19 stream locations were contaminated. maximum concentrations in community supplies of aroclor 1242 (2 locations), aroclor 1254 (3 locations), and sigmaddt (2 locations) were 350, 260, and 620 ng/kg, respectively. of the 110 community water supplies sampled in 1975 and 1976, only 7 contained residues. maximum ...200097622
a cost-effectiveness trial of incontinence pants. 200097639
[method of rapid determination of the cord factor in the mycobacterium colonies on solid nutrient medium]. 197897660
the fifteenth douglas lea lecture: x-ray studies of protein-dna-hormone interactions. 200097680
critical views of ego psychology: a critical review. 200097695
a defensive-restitutive function of freud's theory of psychosexual development. 200097696
bromocriptine, dihydroergotoxine, methysergide, d-lsd, cf25--397, and 29--712: effects on the metabolism of the biogenic amines in the brain of the rat. 197897702
situational factors contributing to the placebos effect.the influence of four variables (status of communicator of drug effects, attitude of dentist, attitude of dental technician, and message of drug effects) on the obtainment of placebo effects in an oral surgery clinic was investigated. dependent variables were (1) rating of pain experienced from mandibular-block injection, (2) pre-post placebo state anxiety, and (3) pre-postplacebo fear of injection. enthusiastic messages of drug effects produced statistically and clinically significant reduction ...200097705
the three dose components of negative pion beam and their role in pion radiotherapy.a new method has been developed for analyzing therapeutic negative pion beams into three let (linear energy transfer) dose components inherent in such a beam. the technique utilizes thin silicon detectors to obtain pulse height spectra produced by the various particles in the beam traversing the detectors. it is shown that a low let group is correlated with the incoming pions, muons and electrons; a medium let group corresponds to protons, deuterons, tritons, and high energy alpha particles; and ...200097731
[reservoirs and wild vectors of trypanosoma cruzi. lxviii: infection of mammals by oral route]. 197897735
[biochemical basis of parenteral feeding. composition of the organism and its response to fasting]. 200097736
[antibiotic prophylaxis in surgery]. 200097749
frequency of non-diagnosing of groupamatic 360-c3; vienna (june-september 1976). 200097751
rh (d) typing and phenotyping on groupamatic. 200097755
computers and automated technical procedures in blood transfusion laboratories. 200097760
[recommendations for the storage of serum absorbed on filter paper under rural conditions, for the diagnosis of chagas' infection with immunofluorescent test]. 200097768
[effect of chlorfenvinfos and carbaryl on calcium and phosphorus metabolism in rat skeleton. ii. in vitro studies]. 197897769
neurotoxicity of adriamycin (doxorubicin) perfused through the cerebrospinal fluid spaces of the rhesus monkey. 197897803
water supply and nutritional status in rural northern nigeria.a high incidence of protein energy malnutrition (pem) was found in a community survey of preschool children in rural northern nigeria among whom gastro-enteritis is common. wasting (less than 80% weight/height) was more common (37.9%) among those with scanty, unprotected water supplies than in those with copious protected water (10.2%) whereas the incidence of stunting (less than 90% height/age)) was similar. severe coliform contaminatin of all water sources was demonstrable. even higher numbers ...200097816
the pattern of sporulation in anabaena circinalis and comments on the role of heterocysts in sporulation in blue-green algae.cells between two intercalary heterocysts differentiate at random into spores in a. circinalis. one or more cells, which fail to transform into spores, are present between the two adjacent spores, and these cells disorganize later. a critical c:n ratio regulates sporulation and heterocyst formation. during sporulation the reductive ability of the heterocyst gradually diminishes. it is concluded on the basis of this and other evidence that sporulation is regulated by interactions between heterocy ...197897869
[physiologic effects of altered gravitation]. 200197873
[immunological study of cellular components of pseudomonas aeruginosa. iv. fractionation of pseudomonas aeruginosa mucus by diafiltration and biological properties of isolated fractions].in fractionation of pseudomonas aeruginosa mucus (strains no. 8 and 1463) by means of diafiltration on the system of membranes diaflo xm-300, xm-100a, pm-30, and pm-10 there was obtained a successive series of fractions differing by the molecular weight and chemical composition. according to the results of gel chromatography fractions with the mol wt of 100000 dalton and over apparently represented protein-polysaccharide components of mucus in the form of complexes; fractions with the mol wt of ...197897882
interaction of hb a2 indonesia trait with beta-thalassaemia trait and with hb e trait.the haematological findings resulting from the interaction of hb a2 indonesia trait with beta-thalassaemia trait and hba2 ind trait with hb e trait are discussed. a person doubly heterozygous for hb a2 ind and beta-thalassaemia had mild haematological abnormalities essentially similar to those found in persons with beta-thalassaemia trait alone. a carrier for both hb a2 ind trait and hb e trait had essentially normal haematological findings.200197892
the histochemistry of mucosubstances in ferret salivary glands.the mucosubstances of the major salivary glands of the ferret were analysed using different histochemical reactions. almost all the parotid acinar cells had sialic acid-containing mucus. there were a very few cells, the granules of which gave reactions for sulphated mucins. submandibular gland mucus was sulphated in the major parts of the gland. there were occasional cells which gave reactions to carboxylated mucin. the sublingual and the molar glands had tubules which had 2 types of mucous cell ...197897904
[enzyme-histochemical behaviour of the tanycyte ependyma in the iii. ventricle of the rat with thiamin deficiency (author's transl)].the influence of experimental thiamine deficiency in rats on enzyme-histochemical parameters was carried out in the diencephalon. the degree of thiamine deficiency was measured by the activity coefficient of transketolase in the red blood cells. the alpha-etk of thiamine deficient animals was 1,45 +/- 0,36, of equal-fed animals 1,04 +/- 0.04 and of control animals 1,08 +/- 0,04. we got the following results: lactatdehydrogenase, acid phosphatases and thiamine pyrophosphatase did not indicate any ...197897912
progress in investigations of sphingolipidoses. 200197916
sero-epidemiological study of lymphogranuloma venereum in western nigeria.a sero epidemiological study involving 5009 individuals resident in the two largest cities (ibadan and benin) in the western region of nigeria has been carried out, using the lgvcft to determine the presence of lgv antibodies. these individuals come from various population groups and social classes (i.e. blood donors, antenatal clinic patients, general out-patients, venereal diseases clinic patients and prostitutes). among the 3638 subjects tested in ibadan, the seroreactivity rates ranged from ...200197940
manometric study of the lower oesophageal sphincter in adult nigerians in relation to the rarity of hiatus hernia and symptomatic gastro-oesophageal reflux. 200197947
esophageal atresia, duodenal atresia, and gastric distention: report of two cases. 200197973
from earlier pages. . . 200197977
value of computed tomography in radiotherapy of lung cancer.the effectiveness of ct scanning in radiotherapeutic treatment planning was evaluated in 32 patients with bronchogenic carcinoma. ct of the chest in pretreatment evaluation of these patients supplemented conventional clinical and radiographic patients supplemented conventional clinical and radiographic studies, resulting in (1) more clear delineation of tumor extent in 24 patients (75%); (2) change in assessment of the size of lesions in 14 patients (43%); (3) change of disease stage in 13 (40%) ...200197987
efficiency of utilization of a computed tomography scanner.efficient utilization of diagnostically effective but expensive computed tomography (ct) brain scanners requires understanding of time factors influencing patient throughput. in a study at ucla medical center using an emi mark i brain scanner, the average number of patients studied was 16.3 per 15.5 hr workday, for an average of 52.7 min per patient. of the patients, 51.5% were inpatients at ucla, 45% received intravenous iodinated constrast infusion, and 33% had studies showing significant abno ...200197991
fluoroscopically guided thin needle aspiration biopsy of the abdomen and retroperitoneum.the results of 49 transabdominal and translumbar thin needle percutaneous aspiration biopsies in patients suspected of having malignant disease are reported. a correct diagnosis was obtained in 40 cases. placement of the chiba needle was accomplished by fluoroscopically controlled biplane radiography during constrast examinations. no complications were encountered. the technique allows cytologic diagnosis of malignancy without high risk exploratory surgery, prolonged hospitalization, or delay of ...200197993
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