Publications

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maturation of b lymphocytes. i. concurrent appearance of increasing ig, ia, and mitogen responsiveness. 1994368238
eikenella corrodens: a new pathogen.oral infections that result from trauma or dental manipulation are often thought to be of minor importance to the practicing clinician. the majority of oral infections respond well to treathis form of simple therapy is no longer as efficacious as it has been though to be. soment with the common antibiotics without the need for laboratory culture and sensitivity. there are instances, becoming increasingly frequent, when this form of simple therapy is no longer as efficacious as it has been though ...1979375152
febrile convulsions: diagnosis, treatment, and prognosis. 2004375163
the antenatal use of betamethasone in the prevention of respiratory distress syndrome: a controlled double-blind study.one hundred forty-six pregnant women were enrolled in a prospective double-blind study to assess the effectiveness and side-effects of antenatal administration of betamethasone in the prevention of respiratory distress syndrome (rds) in potentially premature infants. on admission to the study, the women were given, at random, either 12 mg of betamethasone or placebo. the same dose was repeated 24 hours later and then weekly up to 34 weeks of gestation. gestational age of the infants ranged from ...2004375172
creatine kinase isoenzyme bb in serum of patients undergoing chronic hemodialysis and with kidney transplant.the activity of creatine kinase isoenzyme bb (ck-bb) was determined in serum of healthy adults and in patients undergoing maintenance hemodialysis and with kidney transplant. in the healthy adults examined, an activity of 0.56 +/- 0.16 u/l (mean +/- sd) was found. the arithmetic mean of ck-bb activity in patients with renal insufficiency under hemodialysis was 1.42 +/- 0.87 u/l and differed from that of the healthy group. the ck-bb activity in patients with kidney transplant was not different fr ...2004387410
protein turnover and cell-cycle initiation in yeast. 1979387426
oxygen-dependent cleavage of dna by the 1,10-phenanthroline . cuprous complex. inhibition of escherichia coli dna polymerase i. 1979387784
an overview. a year of challenges. 2004387855
interference of azide with cysteine biosynthesis in salmonella typhimurium.the growth inhibition of salmonella typhimurium azia mutants by sodium azide is reversed by cystine and related compounds. nadph-sulphite reductase (hydrogen-sulphide:nadp+ oxidoreductase; ec 1.8.1.2), an enzyme of cysteine biosynthesis, is inhibited in cell extracts by sodium azide. azib mutants which are able to grow in the presence of the inhibitor without cystine were isolated. about half of them were mapped in the cysk gene and have only residual activity of its product, o-acetylserine sulp ...1979387913
[low-molecular weight nuclear rna's]. 2004395786
[development of modern anesthesia, current trends and prospectives]. 2004397461
effects of intravenous infusion of trh on plasma tsh and prolactin concentrations in rats. 1977404643
the role of the sodium, potassium, magnesium and calcium ions in the transfer of bioenergy, and the possibility of their substitution by other cations.according to a previously presented model, two sodium ions and one calcium ion form an electric polarizing system of the diverging type, which favours the breaking of the high-energy bond of the atp molecule, while two potassium ions and one magnesium ion form an electric polarizing system of the converging type, which helps the rebuilding of the high-energy bond of the atp molecule. the condition required by one of the above-mentioned ions to be replaced with another type of ion (belonging to t ...2004404651
anterograde transneuronal degeneration in the limbic system: clinical-anatomic correlation.a 64-year-old man with diffuse atherosclerosis developed an organic mental syndrome, followed by hypothalamic symptoms. autopsy showed an old large cystic infarct involving the left temporal lobe including the hippocampus, and atrophy of the ipsilateral fornix, mammillary body, hypothalamus, mammillothalamic tract, and the anterior thalamic nucleus. the clinical deterioration and pathologic findings may be explained by anterograde transneuronal degeneration within the limbic system following the ...1977412120
from earlier pages...development of a name for radiology. 2004415578
15alpha-hydroxyoestriol and other polar oestrogens in pregnancy monitoring.although oestriol measurements are well established for the assessment of 'at risk' pregnancies, there are a number of other oestrogens, excreted during pregnancy, which contain additional hydroxyl groups and might be more sensitive indicators of the condition of mother or fetus. some of these result from the action of hydroxylases possibly present only in the fetus and others from maternal hydroxylations. we review the evidence for the biosynthesis of these polar oestrogens, summarise methods o ...2004415657
plant carbonic anhydrase. properties and bicarbonate dehydration kinetics. 2004415758
[detection of ovulation by changes in the color in the cervical mucus]. 2004416471
the fine structure of subcortical neurofibrillary tangles in progressive supranuclear palsy.the fine structure of subcortical neurofibrillary tangles was investigated in pallidum, substantia nigra, periaqueductal gray, pontine reticular gray, and dentate nucleus of 5 autopsy cases of progressive supranuclear palsy. only tangles due to straight 150 a wide filaments have been detected. these findings, obtained from a large series of cases and areas examined, confirm previous observations on the fine structure of neurofibrillary tangles in progressive supranuclear palsy and suggest that t ...2004419938
mentally disordered offenders. 2004427415
early growth retardation in diabetic pregnancy. 2004427421
liver injury, drugs, and popular poisons. 2004427446
brain failure in private and public life. 2004427457
effects of inhibitors in lumen on pah and urate transport by isolated renal tubules.effects of the presence of unlabeled p-aminohippurate (pah) or urate, probenecid, and phenol red in the lumen on labeled pah or urate transport by isolated, perfused snake (thamnophis spp.) proximal renal tubules were studied. net secretion of labeled urate and luminal membrane permeability to urate were unaffected by the presence of unlabeled urate (up to 0.1 mm) or probenecid (up to 1.0 mm) in lumen only. the data are compatible with movement of urate from cells to lumen during urate secretion ...2004434212
the effects of dihydrotachysterol therapy on the measurement of plasma 1,25-(oh)2-vitamin d in humans.anephric patients have undetectable plasma concentrations of 1,25-(oh)2-d, but when anephric patients are treated with dht2 (hytakerol), their plasma contains a substance that is co-purified with and displaces authentic 3h-1,25(oh)2-d3 from its intestinal cytoplasmic receptor. the concentration of this substance in the plasma of anephric patients taking dht2 is proportional to the administered daily dose of dht2 per kilogram body weight. when dht2 therapy is discontinued, the substance disappear ...2004438604
wisc-r versus wisc for black children suspected of learning or behavioral disorders. 2004438637
[the departments]. 2004440608
bioavailability of zinc in infant cereals.the bioabailability of zinc in three cereals was determined by a rat assay, using total femur zinc as the indicator. the basal diet contained 25% egg white solids and 0.6 microgram zinc per gram. the infant cereals were included in the diets at three graded levels to supply 3--12 microgram zinc per gram. zinc sulphate was used as a standard source, with and without supplemental iron (185, 370, 555 microgram/g, respectively) at 3, 6 and 9 microgram zinc per gram with a view to determine the effec ...1979440632
grey-scale ultrasonic characteristics of carcinoma of the pancreas.fifty-five sonograms were performed on 25 cases of surgically and histologically proven carcinoma of the pancreas. the sonographic appearances of the tumour were determined. a diffuse echogenic pattern with irregular margin was the most common appearance. displacement and indentation of the inferior vena cava and superior mesenteric vessels, greatly assist in localizing the tumour to the pancreas. a reliable prediction of tumour size and resectability cannot be determined by sonography alone. so ...2004444820
[course of alcoholic predelirium during treatment with piracetam: results of serial psychometric tests (author's transl)].thirty-six male alcoholics in a mild predelirial state were studied with a series of psychometric tests (reaction time to light and sound, reaction to multiple sequential stimuli, apprehension and tachistoscopic appreciation test, achievement and concentration test analogous to the pauli test). the degree of psychometrically determined abnormalities pointed to serious cerebral lesions even in the mild predelirial stage and exceeded the expectations gained from clinical impression. the disorders ...2004446321
[doppler ultrasonic measurement and acravolume pulse registration in peripheral angiopathies]. 2004470592
[biomass accumulation by polyploid forms of candida guilliermondii yeasts].under the action of a mitotic poison (acenaphthene), the haploid culture of candida guilliermondii assimilating n-alkanes yielded a polyploid form whose cells were four times larger, on the average, than in the haploid culture. when the pure culture was grown under stationary conditions in media with glucose, the economical coefficient, i. e. the ratio between the assimilated glucose and the accumulated biomass, was by 16, 47 and 157% higher in the polyploid culture than in the haploid one after ...1979470627
[exopolysaccharide and proteolytic enzyme synthesis by m-, s- and r-forms of mycobacterium lacticolum].the composition of exocellular polysaccharides was studied in the m, s and r variants of mycobacterium lacticolum 104. the exoglycans of the m and s variants were found to be rather similar but differ considerably from the exoglycan of the r form. the polysaccharides of the m and s cells contained glucose, mannose, galactose, and pyruvic acid; the exoglycan of the r cells contained also the fourth sugar arabinose, but lacked pyruvic acid. the specific rotation of the polysaccharides from the m, ...1979470628
all saying the same thing. 2004470683
tetanus and psychiatry: unexpected bedfellows.six patients who were admitted with the initial diagnosis of tetanus to a general hospital serving 130 000 people over a 10-year period are reviewed. in three of these patients psychogenic factors played a major part in the presenting pictures. these cases followed a markedly different course from the others. guidelines to the early differentiation of such atypical cases, and to the way psychogenic factors can be identified and their importance evaluated, are discussed.2004470695
inducibility of metallothionein biosynthesis in cultured normal and menkes kinky hair disease fibroblasts: effects of copper and cadmium.metallothionein biosynthesis is not induced by extracellular copper in menkes kinky hair disease (mkhd) or in normal cultured fibroblasts under the conditions of these experiments. in the presence of copper, mkhd fibroblasts also incorporated less cysteine than did normal fibroblasts. extracellular cadmium greatly enhanced the uptake of cysteine in both normal and mkhd cultures. by the technique of polyacrylamide gel electrophoresis, it was demonstrated that metallothionein is induced by cadmium ...2004471576
prophylactic infusion therapy in hemophilia. 2004478502
[blast formation of the lymphocytes (a computer processing)]. 2004490943
an effect of neostigmine on the response of the rat anococcygeus muscle to field stimulation [proceedings]. 1979497579
transducer--adapted benedict roth spirometer for small animals [proceedings]. 2004497611
bilio-pancreatic bypass for obesity: 1. an experimental study in dogs.bilio-pancreatic bypass is a new procedure that tries to obtain a maldigestion syndrome with selective malabsorption of the main high calorie foods. the operation consists of a gastric resection and division of the proximal jejunum just distal to the ligament of treitz. a gastroentero-anastomosis is then constructed using the distal end of the transected jejunum, while the proximal jejunum is anastomosed to the side of the distal ileum. an experimental study carried out on 12 dogs confirmed that ...1979497644
[combined experimental exposure to subsonics and a superhigh frequency electromagnetic field]. 1979499821
pre-operative irradiation of t3-carcinoma in bilharzial bladder: a comparison between hyperfractionation and conventional fractionation. 1996500410
effects of sex role and an audience on approaching a snake by mildly fearful subjects. 2004514777
[phosphatidylinositol and myoinositol concentration in the erythrocytes and plasma in chronic renal insufficiency]. 2002514831
[circulating system for performing immersion topical hypothermia of the myocardium].a special circulating installation for topical hypothermia of the myocardium is proposed. an advantage of the installation is the possibility of the permanent controlled irrigation of the whole surface of the heart, especially of the posterior surface represented mainly by the left ventricle mass with the ice-cold solution.1979516281
an elective, survey course for undergraduates: "introduction to toxicology". 2004516366
the metabolism of nitrophenolic and 5-arylazorhodanine anthelmintics by ascaris suum, moniezia expansa and by mouse- and sheep-liver enzymes.1. the anthelmintics disophenol (2,6-diiodo-4-nitrophenol), nitroxynil (3-iodo-4-hydroxy-5-nitrobenzonitrile) and nitrodan (3-methyl-5-(4-nitrophenylazo)rhodanine) were reduced in vitro to the corresponding amines by intact ascaris suum, moniezia expansa, by enzymes prepared from these helminths, and by mouse- and sheep-liver homogenates. helminth reductases required nadh2 and glutathione as cofactors and were inhibited about 50% by 2.0 x 10(-7) m allopurinol. azo bonds of nitrodan and its analo ...1979516789
professional services should be mandated. 2004517417
industrial hygiene -- truly an interdisciplinary science. 2004517434
low level radiation hazards ... 2004517442
splenic torsion in a child. 2004517482
management of quinidine-induced elevations of serum digoxin. 2004517529
contamination: lost or found. 2004517532
word-processing equipment for hospital pharmacy applications.experiences with the use of three word-processing machines in the pharmacy departments of two hospitals are reported. criteria used in evaluating the equipment included keyboard design, disc storage capabilities, software practicality, print format options and security of data. the applications studied were label production, storage of personnel information, scheduling of repetitive tasks, and composition of drug bulletins and procedure manuals. the wang system 10a was the least useful. the lani ...2004517539
folic acid hypersensitivity and fever: a case report.an apparent case of folic acid hypersensitivity and fever in a 36-year-old anephric man is reported. the patient first experienced pruritus when he received 1 mg of folic acid daily; the drug subsequently was discontinued. three months later, after administration of 1 mg of folic acid daily, the patient became febrile and pruritic. fever, generalized pain, chills, urticaria and pruritus persisted despite administration of acetaminophen/oxycodone tablets. leukocytosis was not present. challenge w ...1979517548
fallacies of medially wedged heel for valgus foot. 2004521647
inactivation of neurohypophysial hormone release in the rat by substitution of saline solution for drinking water [proceedings]. 1979522005
properties of electroretinogram in albino and wild-type japanese quail with special regard to the c-wave. 2004522340
[budd-chiari syndrome in the course of polycythemia rubra vera. presentation of a clinical case].an unusual case of budd-chiari syndrome during erythraemia is presented. acute thrombosis of the suprahepatic veins became chronic with progressive improvement, shown clinically and radiologically in the form of partial recanalisation of thromboses of these veins and the porta. the pathogenetic relationship between polycythaemia and the budd-chiari syndrome is also discussed.2004523003
treatment of microinvasive carcinoma. 2004523028
reliability of methods for the diagnosis of cervical intraepithelial neoplasia, and a follow-up of the reaction of c.i.n. to biopsy. 2004523043
[methods of dosed pressure in the complex treatment of cicatricial deformities of the face following burns]. 2004524169
[treatment of patients with myocardial infarction]. 2004524839
introduction to the treatment of lumbar disc disorders. 2004524907
[eeg-activity patterns in visual information processing: characteristics, variance-analytical deliminiation, discriminance-analytical determination of undispensable variables and scale level].1. in order to determine the variable distributions of 5 activation dependent eeg activity patterns occurring during visual information processing, mean values and standard deviations of the percental quantities of the frequencies 4, 5, ..., 13 hz, 14 to 20 hz and 21 to 30 hz, as well as the mean amplitudes in the frequency bands 3.5 ... 7.4 hz, 7.5 ... 13.4 hz and 13.5 to 30 hz were determined on corresponding to 10 s samples. it could be demonstrated by regression analysis that an interval sca ...2004525137
retention during embryonic life of the ability of avian spinal cord to induce somitic chondrogenesis in vitro.it is well established that the spinal cord of embryonic vertebrates induces sclerotomal somitic mesoderm to chondrify. we have investigated whether the spinal cord retains this inductive ability for the duration of the life of the avian embryo. somites were isolated from embryos of h.h. stages 16 to 18 and either cultured alone in a medium which would not allow spontaneous chondrogenesis or cultured in direct contact with the spinal cord from embryos ranging in age between h.h. stages 33 and 44 ...2004525250
water loss from the skin of term and preterm babies.water loss from the skin of term and preterm babies, nursed naked in incubators under neutral thermal conditions, was measured by a method based on estimating the water vapour pressure gradient close to the skin surface. 199 sets of measurements were made on 78 babies whose gestational ages ranged from 26 to 41 weeks, during the first 4 weeks of life. babies of 34 to 41 weeks' gestation had high water losses in the first 4 hours after birth, which then fell to low levels averaging 6 g/m2 per hou ...2004526028
lessons from an attempt to facilitate freshman transition into college. 2004528771
[the effect of calcitonin on contractile function of skeletal muscles (author's transl)].the analgesic effect of calcitonin in osteoporosis has been considered to originate from its actions on bone metabolism. however, the author assumed a possible presence of other mechanism, since the analgesic effect of calcitonin manifests in an extremely early phase in which an increase in bone mass is hardly conceivable. namely, the author postulated that its analgesic effect is due to its actions on body trunk muscles, and investigated experimentally the effect of calcitonin on skeletal muscl ...1979528800
the effects of dopamine on neurones in the nucleus tractus solitarii and on the central control of blood pressure in the rat [proceedings]. 1979529063
interhemispheric connections between primary visual areas in adult sheep and new-born lambs [proceedings]. 1979529138
synovial chondromatosis. 2004529176
the disposition of cyclophosphamide in a group of myeloma patients.the disposition of cyclophosphamide and its alkylating metabolites was investigated in a group of myeloma patients with varying degrees of renal function impairment. no correlation between renal function and clearance of cyclophosphamide or its alkylating metabolites was found. no evidence of accumulation of cyclophosphamide or alkylating activity was found in four patients receiving radiolabelled cyclophosphamide. renal function was found to be related to the reciprocal of the area under curve ...2004535136
disseminated intravascular coagulation in obstetrics. 2004535203
bipartite trapezium with adduction contracture of the thumb: a case report.this is a case report on bipartite trapezium in a 12-year-old girl that presented as a painless protrusion at the base of the first metacarpal bone associated with an adduction contracture of the thumb. this seems to be the first such case to have been reported in an adolescent. the condition bears no resemblance to the numerous descriptions in the literature on accessory bones about the trapezium.2004535274
two-part total knee arthroplasty: evolution and present status.the inception of a 2-part total knee arthroplasty consisting of a vitallium femoral component and a polyethylene tibial component occurred in 1970. it was termed "geometric," because it was not anatomic in design. this geometric design was altered during the ensuing years to allow better fixation of the tibial unit, because loosening of this unit became apparent in an appreciable percentage of patients. as biomechanical research and clinical evidence progressed, less need for the constraint buil ...2004535285
molecular orbital studies on lipids: conformation of glycerol trivalerate by the pcilo method. 2004535925
abomasal hernia in a heifer. 1979536041
endomyocardial fibrosis and rheumatic heart disease in mozambique.the first five cases of endomyocardial fibrosis to be reported from mozambique are described in an autopsy series over the years 1975-77, together with 85 cases of rheumatic heart disease in patients who died and were autopsied during the same period. outside the central parts of the african continent, endomyocardial fibrosis does not seem as rare as previously thought. observations on the age and sex of the patients correspond with what is already known about both diseases. the strikingly highe ...2005538807
an evaluation of the bovine -- onchocerca gibsoni, onchocerca gutturosa model as a tertiary screen for drugs against onchocerca volvulus in man.in this trial suramin, diethylcarbamazine, trichlorphon, levamisole, mebendazole, melarsonyl potassiu, hoechst 33258 and tinidazole were administered to cattle infected with o. gibsoni and o. gutturosa to determine the usefulness of this screen in predicting the effect of drugs in man against. o. volvulus except for melarsonyl potassium which was macrofilarticidal against o. gutturosa but not o. gibsoni when cattle were slaughtered 6 weeks after treatment. it was concluded that cattle infected w ...1979538819
[electric stimulation in psychiatry. myths and realities]. 2005538855
[amniocentesis for antenatal diagnosis. a report on an initial series of 180 cases (author's transl)].the results are presented of amniocentesis for diagnostic genetic purposes in 180 patients. a diagnosis was obtainable in 170 cases (94%). genetic abnormalities were detected in 11 cases; one patient miscarried 3 days after amniocentesis. antenatal diagnosis of certain genetic disorders can be considered a routine method nowadays and should be offered to any woman at risk. it therefore seems necessary to supply the practitioners with the relevant information on this topic.2005538937
[thoughts on geriatric drugs]. 2005538967
[object, goal setting and the initial results of occupational medical research on youth in the gdr]. 2005538977
[behavior of the erythrocyte glucose-6-phosphate dehydrogenase in patients with functional thyroid disorders and in hyperthyroxinemic rats].this paper deals with the activity of glucose-6-phosphate dehydrogenase in patients with hyper- and hypothyroidism as well as in hyperthyroxinaemic rats. the activity of glucose-6-phosphate dehydrogenase is enhanced in red blood cells of hyperthyreotic patients and hyperthyroxinaemic animals. the activity will be decreased to normal range in patients by administration of antithyreotic drugs, such as thiamazole. patients with hypothyroidism exhibit decreased enzymatic activity. it is suggested th ...1979538999
[therapeutic endoscopy in the gastrointestinal tract].in selected chapters of the therapeutic endoscopy we tried to represent secure knowledge, actual tendencies and partly future prognoses. hereby completeness cannot be expected. however, it became clear that numerous physical principles became useful for the therapy with the endoscope. chemical techniques, such as the litholysis of gall-stones are only at present used in our field. with all scepticism against the own field of interest one may say that the operative therapeutic endoscopy, as it is ...2004539002
flurorometric study of the partition of bilirubin among blood components: basis for rapid microassays of bilirubin and bilirubin binding capacity in whole blood. 2005543536
[correlative relations of spondylometric features and the height of the body in the lower silesian children and adolescent's process of growth (author's transl)].the author has carried out an analyzis of correlative relations of spondylometric features and the height of the body in 1197 children and adolescents aged 3 up to 16. he has stated individual segments of vertebral column to show slight correlative tendencies or complete lack of them. the length of the vertebral column segments is positively correlated with the length of the vertebral column as well as with the boys and girls body higt - in the process of growth and especially in puberty. a stab ...2005543565
[scarlet fever and streptococcal pharyngitis in the jassy district in the period 1951-1977]. 2005545613
the long term prospects of rehabilitation in cerebral palsy in singapore. 2005545704
somatic cell genetic analysis of transgenome integration.the site of association of the human transgenome and host murine chromosomes was determined in several subclones of a stable human/mouse transformed cell line. chromosomes were transferred from each of three transformed subclones into chinese hamster recipient cells, and selection was applied for the expression of human transgenome-encoded hprt. a series of trispecific microcell hybrids was isolated and characterized for each subclone. evidence is presented that, within a given transformed subc ...1979545718
inflammatory response linked to oxazolone-indued cutaneous basophil hypersensitivity: effect of different immunomodulator and anti-inflammatory drugs.the potency of cytostatic and anti-inflammatory drugs was tested on the oxazolone-induced cutaneous basophil hypersensitivity (cbh) in mice. the challenge reaction was performed early after sensitization in order to minimize b-cell expression; exudative and cellular infiltration was estimated 6 h, 24 h and 48 h after challenge. the potency of drugs was tested at three different periods of immunization: 2 days before or after sensitization or before challenge. cytostatics act mainly when cells ar ...2005546176
determination of 5-aminolaevulinic acid and porphobilinogen by high-performance liquid chromatography.a strong anion-exchange column coupled to a strong cation-exchange column with acetate buffer as eluent or reversed-phase ion-pair chromatography on octadecylsilica with methanol-water containing 1-heptanesulphonic acid as the mobile phase is described for the simultaneous separation of 5-aminolaevulinic acid and porphobilinogen. the separation is applied to the development of a fast and simple method for determining the activity of the enzyme aminolaevulinic acid dehydrase in human erythrocytes ...1979546936
identification of nitrohexane in corn treated with nitrous acid. 2005546946
comparison of the metabolism of 2,4-toluenediamine in rats and mice.the excretion, distribution, and metabolism of 2,4-toluenediamine (tda) have been compared in rats and mice. the elimination of tda metabolites into urine was faster and more complete in mice than in rats. however, the feces of rats accounted for a greater percentage of the dose in rats than in mice. the distribution of metabolites in tissues were considerably lower in mice than in rats. the major urinary metabolites observed in the rat were 4-acetylamino-2-aminotoluene, 2,4-diacetylaminotoluene ...1979547012
kinetics of cl02 and effects of cl02, cl02-, and cl03- in drinking water on blood glutathione and hemolysis in rat and chicken.since chlorination of drinking water produces organochlorinated substances (some possibly carcinogenic), the use of chlorine dioxide disinfectant would avoid halogenation. there is scarcely any data published on the effects of clo2 in drinking water on human or animal health. the kinetics of 36clo2 was studied in rats. radioactivity was rapidly absorbed from the gastrointestinal tract following the administration of (0.07 microci) 36clo2 orally. 36cl in plasma reached at peak at 1 hr. the half l ...1979547024
the complementary roles of angiography and ct scanning in cerebral contusion. a survey of 126 cases. 2005547047
[thermal decomposition products of guaiazulene (author's transl)]. 2005547058
[the effect of diarrhea on gallbladder opacification during oral cholecystography: comparison of two cholecystographic agents (author's transl)]. 2005547079
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