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{ "en": [ "In the context of a training study, the functional relationship between discrimination and production was investigated.", "Four subjects were selected for study.", "For two subjects, Condition I consisted of production training followed by a discrimination probe and Condition II consisted of di...
{ "en": [ "The attachment of the bacterial chromosome to the cytoplasmic membrane in Escherichia coli was studied.", "The initiator DNA was specifically labeled and the outer and cytoplasmic membranes were separated in a step sucrose gradient.", "The labeled DNA was localized mainly in the cytoplasmic mem...
{ "en": [], "vi": [] }
{ "en": [ "When Escherichia coli 50-S ribosomal subunits are treated with increasing concentrations of urea partial deproteination occurs.", "Furthermore, we observed that the number of sulfhydryl groups which react with Ellman's reagent is a sigmoidal function of the urea concentration.", "These results ...
{ "en": [ "This report concerns the synthesis of poly(5-aminouridylic acid) and of 5-aminouridine-containing trinucleotides.", "Starting from 5-aminouridine the nucleoside 5'-phosphate was prepared enzymatically with carrot phosphotransferase whereas the nucleoside 5'-diphosphate was prepared chemically and p...
{ "en": [ "Energy conservation and uncoupling in mitochondria are examined in the light of three important new findings: (a) Studies with the photoaffinity-labeling uncoupler 2-azido-4-nitrophenol have shown that mitochondria contain a specific uncoupler binding site (apparently a polypeptide of Mr = 30,000 +/- 1...
{ "en": [ "A new chlorambucil ester of prednisolone (LEO 1031) has been evaluated in patients with advanced lymphocytic lymphosarcoma and chronic lymphocytic leukemia.", "All 11 patients had been previously treated with radiotherapy and/or combination chemotherapy.", "Three complete remissions and one par...
{ "en": [ "Barotrauma has been used to describe several specific complications related to mechanical ventilation.", "These include tension lung cyst, pneumothorax, pneumomediastinum, pneumoperitoneum, and subcutaneous emphysema.", "Pulmonary hyperinflation, another such complication, occurred in 6 patient...
{ "en": [ "A study evaluating the durability of two recent techniques of tricuspid annuloplasty was conducted simultaneously in two institutions.", "One group working in Madrid, Spain, used Carpentier's ring in 32 patients.", "The other in Montreal, Canada, employed De Vega's semicircular annuloplasty in ...
{ "en": [ "A simple technique of resuscitation of the canine cadaver heart is described.", "The method includes internal manual cardiac massage and positive-pressure ventilation of the lungs after isolation of the heart-lung preparation from the rest of the systemic circulation.", "This techniqle proved s...
{ "en": [ "A major focus of efforts to monitor and control health care expenditures has centered on factors related to hospital length of stay.", "Age, in particular, is usually assumed to be an important correlate of hospital length of stay, especially when diagnosis and hospital variables are also taken int...
{ "en": [ "A simple method of dystopic cardiac transplantation as a left-heart bypass was experimentally studied and details of the method are described.", "The hemodynamic investigation of this biological assisted circulation on the normal and failing heart, which was induced by subtotal occlusion of the asc...
{ "en": [ "The conchal setback is a useful technique for correcting many prominent ear deformities.", "A disadvantage of the technique in some cases is meatal stenosis of the external auditory canal.", "By excising a portion of meatal cartilage, this problem is prevented." ], "vi": [ "Phẫu thuật c...
{ "en": [ "This analysis of asthma mortality has emphasized the roles played in its pathogenesis by different modes of therapy as reported in the literature.", "In addition attention was directed towards yet another potentially lethal therapeutic modality, IPPB, the efficacy and potential benefits of which ar...
{ "en": [ "Sub-lethal levels of the folate analogue, pyrimethamine, caused pronounced cell elongation in Saccharomyces cerevisiae strain B41 when grown in glycerol medium.", "The orientation of bud development was also altered.", "Electron microscopy of thin sections showed an increase in cell wall thickn...
{ "en": [ "Deoxyribonucleic acid-ribonucleic acid (DNA-RNA) hybridization technique was used to investigate nucleic acid homologies among acid Candida albicans, Syringospora albicans and the Leucosporidium species (L. nivalis, L. capsuligenum, L. frigidum, L. gelidum, L. antarcticum)." ], "vi": [ "Kỹ thuậ...
{ "en": [ "A history of the interplay between the physical and life sciences is presented.", "Many of the discoveries that resulted from research conducted by life and physical scientists are described." ], "vi": [ "Lịch sử của sự tương tác giữa khoa học vật lý và khoa học đời sống được trình bày.", ...
{ "en": [], "vi": [] }
{ "en": [ "This paper traces the history of the use of electricity to treat pain, beginning with the first century A.D. practice of using the torpedo fish to treat gout, continuing through the eighteenth-century use of electrostimulation as an analgesic, up to 1900 when electroanalgesia fell into disrepute." ],...
{ "en": [ "On December 28, 1895, W.C. Röntgen submitted to the Wurzburg Physical Medical Society his paper, \"On a New Kind of Rays,\" for publication.", "By the time he presented it orally on January 23, 1896, worldwide interest had been generated by newspaper publicity, which first appeared on January 7.", ...
{ "en": [ "A double blind comparison is reported of a new tetracyclic antidepressant, maprotiline, with amitriptyline and placebo in psychiatric outpatients.", "Amitriptyline was significantly more effective than placebo in its global effect on depression.", "Maprotiline emerged as neither inferior to ami...
{ "en": [ "During the period 1880-1900, the first studies were conducted to aid in understanding the effects of electricity on the human body.", "Commercial electrical systems were being developed, with the first central station for incandescent lighting placed in operation in 1882.", "The proliferation o...
{ "en": [], "vi": [] }
{ "en": [ "Theoretical considerations in immunotherapy, such as the timing of challenge, which could rank second to reduction of tumour volume in producing lasting regressions, are outlined and illustrate the need for tests to monitor immune status." ], "vi": [ "Những cân nhắc lý thuyết trong liệu pháp mi...
{ "en": [ "With Trivastal, a double blind study including placebo control was carried out with 66 patients at the age between 55 and 67.", "These persons were patients of several practioners and were treated because of different phenomena of the neurovascular psychosyndrome.", "They received 1 dragee dail...
{ "en": [ "With a modification of the Astrup - fibrin - plate method about 300 patients were investigated.", "In chronic infections of the skin and mucous membranes a spontaneous peripheral proteolysis was found." ], "vi": [ "Với sự thay đổi phương pháp Astrup-fibrin-plate, khoảng 300 bệnh nhân đã đượ...
{ "en": [ "In 32 cases of acromegaly growth hormone analyses in serum were carried out by means of intra venous dosing of glucose (hyperglycemia suppression test).", "Both in individual cases and collectively the growth hormone concentrations fluctuate considerably.", "19 patients had average concentratio...
{ "en": [ "Streptococcus pyogenes, group A, type 50, in contrast to other group A streptococci, causes spontaneous disease in mice thereby providing a suitable experimental model for the study of human streptococcosis.", "Type 50 possesses various peculiar morphological and immunobiological characteristics an...
{ "en": [ "A haploid strain of Asp.", "nidulans with a chromosome segment in duplicate (one in normal position on chromosome I, one translocated to chromosome II) shows mitotic recombination, mostly by conversion, in adE in a frequency slightly higher than in the equivalent diploid.", "A method has been d...
{ "en": [ "Streptomycin or spectinomycin treatment of an E. coli strain, carrying the strR and spcR alleles on the chromosome and the wild-type (sensitive) alleles on the episome, selects for inactivation of the relevant sensitive allele.", "After Mu induced mutagenesis, in the absence of selection against ex...
{ "en": [ "An unlinked regulatory mutation hisT1504, causes an approximate 11-fold derepression of the histidine (his) operon and a linked constitutive mutation hisO1242 causes an approximate 15-fold derepression.", "In this study we demonstrate that hisT1504 provokes a significant increase in the UV-induced ...
{ "en": [ "The messenger RNAs for the outer membrane proteins in E. coli are more stable than the bulk of the messenger RNA s (Hirashima et al., 1973).", "Polysomes, enriched in those containing stable mRNAs have been isolated following rifampicin treatment and have been shown to contain quantitatively the sa...
{ "en": [ "The RNA polymerase inhibitor, lomofungin has been used to determine the half life of specific synthetic capacities (invertase and alpha-glucosidase) as well as that for gross protein synthesis.", "In both cases the studies conclude that cognate messenger RNAs decay with a half life of approximately...
{ "en": [ "When E. coli F+ cells carrying the dna-167 or dnaC2 mutation, which causes the temperature-sensitive initiation of DNA replication, are exposed to a non-permissive temperature to stop the replication of chromosome and F factor, and then transferred back to a permissive temperature with the addition of ...
{ "en": [ "Temperature-sensitive mutants defective in the initiation of DNA replication are exposed to a non-permissive temperature to complete already initiated replication, and are transferred back to a permissive temperature.", "DNA synthesis can resume in the presence of rifampicin or rifampicin plus chlo...
{ "en": [ "Double lysogens for prophages lambda cI+ and lambda cI ind-ts-857 are induced only by the combined effects of ultraviolet (UV) irradiation and high temperature, not by either treatment alone (Sussman and Jacob, 1962).", "We have followed the kinetics of inactivation of the cI+ repressor brought abo...
{ "en": [ "Two chloramphenicol resistance mutations out of 123 tested in Aspergillus nidulans are inherited extranuclearly as judged by transmissibility in heterokaryons, lack of segregation at meiosis, and independent segregation from all of the eight nuclear linkage groups.", "They do not recombine with eac...
{ "en": [ "We describe a method for the direct selection of E. coli mutants restricting efficiency of suppression and misreading levels using a T4-coded nonsense suppressor.", "One mutant isolated has the phenotype expected for a restrictive mutant and may be ribosomal." ], "vi": [ "Chúng tôi mô tả mộ...
{ "en": [ "Mutation of the gene m3 of phage P22 causes permanent depression of macromolecular synthesis in the infected host and thus inhibits phage development as indicated by burst size and lysozyme production.", "The permanent depression of macromolecular synthesis is most probably due to blockage of the t...
{ "en": [ "The RNA synthesis in non-viscous lysates containing the intact folded chromosome and cytoplasm fractions prepared from Escherichia coli has been examined in vitro.", "The RNA synthesis not only by chain extension but also by new chain initiation occurs in this system." ], "vi": [ "Tổng hợp ...
{ "en": [ "Two classes of Salmonella typhimurium mutants resistant to inhibitory methionine analogues and defective in methionine transport have been examined.", "A mutant of the first class, resistant to alpha-methylmethionine, was shown by conjugation analysis to possess a single mutation in the metP gene w...
{ "en": [ "21 amber-ochre supersuppressor alleles have been isolated in a strain of Saccharomyces cerevisiae.", "Their dominance-recessiveness, temperature sensitivity, allelism, intergenic and intragenic complementation properties and their effect on cell viability and colony growth rate have been characteri...
{ "en": [], "vi": [] }
{ "en": [ "Mutants of P22 which have been located in the c2 repressor gene were examined.", "The most rightward \"c2 mutation\" was found to define a site that is necessary only for the establishment and not for the maintenance of repressor synthesis." ], "vi": [ "Các đột biến của P22 nằm trên gen ức ...
{ "en": [ "The properties of minicell producing mutants of Escherichia coli deficient in gentic recombination were examined.", "Experiments were designed to test recombinant formation in conjugal crosses, survival following UV-irradiation in cells, and the state of DNA metabolism in minicells.", "The REC-...
{ "en": [ "The effect of suppression on enzyme synthesis was examined in 43 amber mutations of the gene for beta-galactosidase in Escherichia coli.", "The ordering of mutations in the gene revealed two clear gradients in the number of molecules of suppressed beta-galactosidase formed by suppression.", "On...
{ "en": [ "Minicells derived from E. coli x796(F+) are refractory to infection by phage M 13.", "However, after infection of the minicell-producing strain with M 13, phage DNA is found to segregate efficiently into newly formed minicells.", "The M 13 specific DNA present in minicells isolated several hour...
{ "en": [ "When hamster cells are infected with the bacterial plasmid colicinogenic factor E1 (ColE1), as much as 5-8% of the input plasmid radioactivity is found in the recipient cell, mainly in the nuclear fraction.", "Density shift experiments with bromodeoxyuridine labeled ColE1 DNA indicate that part of...
{ "en": [ "Mutants with a feedback resistant N-acetylglutamate synthase have been isolated from a proA/B, argD, argR strain by screening for proline excretion on minimal medium with arginine.", "The feedback resistant character of three mutants was transduced into an argA (N-acetylglutamate synthase negative)...
{ "en": [ "113 pyrimidine auxotrophs, unable to synthesise UMP have been selected in Aspergillus nidulans.", "These mutants can be classified by complementation into eight groups, and genetic analysis has shown that five loci are involved." ], "vi": [ "113 sinh vật hỗ trợ pyrimidine, không có khả năng...
{ "en": [ "Hybridization of messenger ribonucleic acid (mRNA) isolated from Escherichia Coli K-12 to deoxyribonucleic acid (DNA) from lambdaCI857st68h80dilv was used to detect isoleucine-valine (ilv) specific mRNA.", "A number of strains partially constitutive for the isoleucine-valine enzymes had levels of i...
{ "en": [ "By screening 42 Salmonella strains with P3, a temperate bacteriophage with an unusually wide host range, five new DNA restriction and modification systems (R-M systems) were identified in five different serotypes in Kauffmann-White group C. One of these systems, SP, in a Pl-sensitive strain of S. potsd...
{ "en": [ "The presence of mitochondrial sex factor, omega, was demonstrated in haploid strains of yeast Saccharomyces cerevisiae which came from our laboratory.", "Transmission and recombination of the mitochondrial genes (CR/CS, ER/ES and OR/OS), conferring the resistance/sensitivity to chloramphenicol, ery...
{ "en": [ "After matings between T6 sensitive (Tsxs) Hfr and T6 resistant (Tsxr) F- cells, the Tsxs zygotes have been observed by electron microscopy: They adsorb a small number of T6 particles if compared to what is observed several generations later." ], "vi": [ "Sau khi giao phối giữa các tế bào F nhạy...
{ "en": [ "Integrative suppression of a dnaA mutation in Salmonella typhimurium may result from the integration of F'lac or F'his into the chromosome in the left hand side of the chromosomal map.", "The suppressed revertants resulting from this integration do not contain DNA of the F' elements in the covalent...
{ "en": [ "Calcium-treated cells of E. coli K-12 C600 were transfected with lambda-heteroduplex DNA carrying the marker cIts857 in one strand and wildtype in the other." ], "vi": [ "Các tế bào E. coli K-12 C600 đã được xử lý canxi được chuyển sang DNA lambda-heteroduplex mang dấu ấn cIts857 ở một chuỗi và...
{ "en": [ "When synchronous populations of Escherichia coli B/r (lambda) were exposed to low doses of ultraviolet light, the yield of infective centres varied with cell age.", "The yield was highest if the lysogenic bacteria were irradiated at a time which coincides approximately with the termination of round...
{ "en": [ "A diploid yeast strain, D81, was constructed heterozygous for seven recessive markers linked on the left arm of chromosome VII to study the localization of induced mitotic crossing over." ], "vi": [ "Một chủng nấm men lưỡng bội D81 được tạo ra dưới dạng dị hợp tử cho bảy dấu ấn lặn liên kết với...
{ "en": [ "The regulatory gene (argR) for the arginine biosynthetic pathway has been located at 106 min on the chromosome of S. typhimurium." ], "vi": [ "Gen điều hòa (argR) cho con đường sinh tổng hợp arginine đã được xác định vị trí vào phút thứ 106 trên nhiễm sắc thể của S. typhimurium." ] }
{ "en": [ "Thermosensitive mutants of E. coli defective in DNA replication were tested for their capacity to support multiplication of phiA and phiX174.", "At the restrictive temperature, the viral growth was markedly affected in dnaH, dnaZ, or ligts7 mutants.", "Even when these strains were transfected w...
{ "en": [ "Relationship of citrate synthase (EC 4.1.3.7) to the biosynthesis of glutamic acid was investigated by characterizing a new glutamic acid auxotroph FL100-D1 (glu 3) of Saccharomyces cerevisiae." ], "vi": [ "Mối liên quan của citrate synthase (EC 4.1.3.7) với quá trình sinh tổng hợp acid glutami...
{ "en": [ "The DNA dependent synthesis of proteins was studied with a system composed of DNA, washed ribosomes, centrifuged (150,000 X g) bacterial extract from Escherichia coli and purified initiation factors IF-1 and IF-2." ], "vi": [ "Sự tổng hợp phụ thuộc DNA của protein được nghiên cứu với một hệ thố...
{ "en": [ "A large number of spontaneous, cytoplasmic petite mutants from six grande strains of Saccharomyces cerevisiae were crossed to a pair of isogenic tester strains.", "Suppressivity values were obtained by randomly sampling the diploid progeny from these crosses, and this basis, crosses were broadly ca...
{ "en": [ "Cytoplasmically inherited chloramphenicol- and erythromycin-resistant mutants were obtained in three unrelated and two isogenic haploid strains of yeast.", "The bias favoring the transmission of these resistance alleles in crosses to the isogenic strains was compared on two levels: on the populatio...
{ "en": [ "In a mutant strain defective in polynucleotide phosphorylase, under conditions where the enzyme becomes limiting, it is possible to demonstrate that chemical as well as functional half lives of mRNA become longer if the strain is also missing ribonuclease II." ], "vi": [ "Trong một chủng đột bi...
{ "en": [ "The nomenclature proposed by Otaka et al." ], "vi": [ "Danh pháp do Otaka và cộng sự đề xuất (1968) cho các thành phần protein ribosome 30S của Escherichia coli được phân tách bằng sắc ký cột carboxymethyl (CM) - cellulose đã được áp dụng trong một số bài báo trong đó xác định vị trí di truyền ...
{ "en": [ "50-S ribosomal subunits from the extreme halophilic bacterium, Halobacterium cutirubrum, contain an alanine-rich acidic \"A\" protein which resembles the L7--L12 multimer (Kaltschmidt and Wittmann, 1970) found in the 50-S ribosomal subunit of Escherichia coli cells.", "The protein contains 24 mole ...
{ "en": [ "Replicating DNA molecules of a deletion mutant of the conjugative R-plasmid R 6 K are cleaved at a single site by the EcoRI restriction endonuclease.", "Electron microscope examination and measurements of the EcoRI treated replicative intermediate molecules indicate that replication can be initiate...
{ "en": [ "The pattern of divergent transcription of the argEC BH cluster of genes previously demonstrated by the hybridization of RNA to the separated strand of a phi 80 darg transducing phage, is confirmed with the DNA of a set of different lambdadarg phages.", "The accurate determination of argE and argCBH...
{ "en": [ "Proteins S4 and S12 were isolated from ribosomes of three mutants of Escherichia coli in which dependence on streptomycin caused by alteration in protein S12 is suppressed by an altered protein S4.", "Proteinchemical studies on the mutant proteins gave the following results: Proteins S12 from all t...
{ "en": [ "A 5 Megadalton segment of DNA carrying a gene for kanamycin resistance from R447 b (a plasmid of group N of molecular weight 33 Megadaltons) has been inserted into Plac (a plasmid of the A--C complex of molecular weight 101 Megadaltons) to produce the recombinant plasmid Plac-R447 b (Coetzee, 1974)." ...
{ "en": [ "The phenomenon of glucose catabolite repression was studied in Escherichia coli mutants unable to transport this carbohydrate.", "The pts I,H mutant P34 was much less sensitive to permanent and transient repressive effect of glucose on beta-galactosidase synthesis than parental type.", "The 110...
{ "en": [ "The introduction explains that the purpose of the Monograph is not to present a systematic history of child development in this country, which has been done by others, but rather to enrich portions of the record with individual accounts and reactions to personal experiences.", "It then proceeds to ...
{ "en": [ "A review is presented of the many conceptual contributions of Charlotte Auerbach to the development of the field of chemical mutagenesis during the past thirty years." ], "vi": [ "Chúng tôi trình bày một đánh giá về những đóng góp về mặt khái niệm của Charlotte Auerbach đối với sự phát triển củ...
{ "en": [ "This study demonstrates the feasibility of a randomized controlled investigation of terminating the phenylalanine-restricted diet in four-year-old children with phenylketonuria.", "The parents of 14 of 16 children gave informed consent, knowing their children would be randomly assigned to either a ...
{ "en": [ "The distribution of aminoglycosides in the cerebrospinal fluid (CSF) space was examined after intralumbar, intraventricular, and systemic administration during seven episodes of gram-negative bacillary meningitis.", "Six episodes were associated with culture proved ventriculitis.", "Parenteral ...
{ "en": [ "A randomized double-blind study was carried out in 26 patients with multiple myeloma to compare the therapeutic effect of sodium fluoride (50 mg twice daily) plus calcium carbonate (1 g four times daily) and placebo.", "All patients also received melphalan and prednisone for one week every six week...
{ "en": [ "With the object of studying the kinetics of imipramine and desipramine five healthy volunteers received single intramuscular, oral and intravenous doses and multiple oral doses of imipramine hydrochloride on different occasions.", "Two of the volunteers also received single intramuscular and oral d...
{ "en": [ "Porcine neurophysin-I iodinated with Na125I was injected intravenously into rats and rabbits, and the rate of disappearance of radioactivity from the peripheral system was measured.", "Radioactively-labeled neurophysin bound to polymethylmethacrylic particles was similarly infected into the animals...
{ "en": [ "370 patients exhibiting a brachial radiculalgia or a spinal cord disease due to cervicarthrosis were submitted to surgery according to Cloward's technique; freeing or grafting were performed in 682 levels.", "A study of this surgical management is made and compared with the other therapeutical moda...
{ "en": [ "The objective of this study was to determine the influence of estradiol-17beta and/or progesterone on gonadotropon secretion at the level of the pituitary.", "Female rats in which the hypothalamo-hypophyseal connections had been permanently interrupted after castration served as the experimental mo...
{ "en": [ "Actual preventive aspects on major neuropediatric handicaps -- particularly cerebral palsy and severe mental retardation -- are surveyed.", "Based on Swedish epidemiologic studies on the changing pattern through 1954--70 it has been possible to conclude that postnatal preventive measures are largel...
{ "en": [ "The results of a set of experiments conducted on a new non-steroid antirheumatic preparation--pyrasanone (Carudol)--are presented and its indications in the general management of the disease are noted.", "The pharmacokinetics and therapeutic efficacy of the new drug are described.", "Statistica...
{ "en": [ "Preliminary clinical results with an association of high doses of vincamine and chlordiazepoxide in subjects with recurrent depression are presented." ], "vi": [ "Các kết quả lâm sàng sơ bộ với mối liên quan giữa vincamine và chlordiazepoxide liều cao ở bệnh nhân trầm cảm tái phát được trình bà...
{ "en": [ "20-40 Mg per day of gangliosides in association with the therapy already in use were given to patients suffering from acute cerebreal vascular lesions.", "The results reported in the present work refer to the time necessary for the return to normal functionality.", "It was observed that such pa...
{ "en": [ "The principal stages in the history of hypnosis are reviewed, from the forerunners of Mesmer to the founder of \"animal magnetism\" himself, to Braid, and the entire hypnological movement of the nineteenth century.", "The work of Freud and the then and later relationships between hypnosis and psych...
{ "en": [ "Thirty one patients were treated with either S-Adenosylmethionine or Imipramine in a double-blind clinical trial comparing S-Adenosylmethionine (25 mg i.m.", "three times daily) with Imipramine (25 mg i.m.", "three times daily) administered for a period of three weeks." ], "vi": [ "31 b...
{ "en": [ "In a 10 week experimental investigation the tissue reactions to implantation of standardised test pieces made of a polysilicone, Silastic, Tantalum, Titanium and a cobalt-chromium alloy, Vitallium, were studied in the white rat.", "After 2 weeks, polysilicone, Tantalum and Titanium caused slight re...
{ "en": [ "The Copeland intraocular lens implant combined with the intracapsular cataract extraction technique is relatively easy to do when first starting intraocular lens surgery.", "It does not require switching over to the extracapsular technique or using suture material to secure the implant.", "It c...
{ "en": [ "In congenital microphthalmos and anophthalmos, the socket and lids are often underdeveloped.", "Progressive dilation of the socket often does not increase the horizontal lid aperture or permit the use of a larger prosthesis.", "The authors present two cases in which a modified Mustarde cheek fl...
{ "en": [ "Corneal scarring secondary to inactive phlyctenular keratoconjunctivitis (PKC) is a significant cause of decreased vision in Alaskan Natives.", "The results of primary penetrating keratoplasty for such cases at the Alaska Native Medical Center form the basis of this report.", "Eighteen cases me...
{ "en": [ "The making of a groove in cataract surgery and the preplacement of one or more sutures into the groove has been advocated by many surgeons.", "An instrument that facilitates the performance of the surgical groove is introduced." ], "vi": [ "Tạo rãnh trong phẫu thuật đục thể thủy tinh và chu...
{ "en": [ "Nine patients with severe keratoconus who were ready for penetrating keratoplasty underwent thermokeratoplasty with profound flattening of the cornea at the time of surgery.", "Keratometer readings returned to pretreatment levels in seven of the nine patients.", "Two patients have avoided penet...
{ "en": [ "Protein antigens were prepared from rough strains of Salmonella typhimurium and S. dublin by phenol and veronal-buffer extraction.", "It was shown that the in vitro migration of peritoneal exudate cells from guinea pigs that were immunized with rough avirulent mutants could be inhibited effectively...
{ "en": [ "An experimental study was implemented to determine the effectiveness of isobutyl-2-cyanoacrylate (bucrylate) as an oral hemostat, its influence on sequential wound healing, and its potential as a carcinogen.", "Segregated groups of equal numbers of male and female Long-Evans Hooded Rats underwent d...
{ "en": [ "The buoyant density in CsCl of ribosomes from chloroplasts of the green alga Chlorella pyrenoidosa and two species of higher plants, Pisum sativum and Chenopodium album, has been studied." ], "vi": [ "Mật độ nổi trong CsCl của ribosome từ lục lạp tảo lục Chlorella pyrenoidosa và hai loài thực v...
{ "en": [ "The intensity of Plasmodium berghei infections decreases as the age of the rat host increases.", "The nature of this 'age immunity' was investigated.", "No experimental support was found for innate resistance involving either serum non-antibody factors or changes in the erythrocytes that inhibi...
{ "en": [ "In order to study the mode of action of a bovine anti-Escherichia coli lactoserum (BLS), we have used a new test measuring the adherence of pathogenic E. coli on epithelial cells isolated from the small intestine of rabbit.", "A mixed suspension of E. coli and of epithelial cells is incubated for 1...
{ "en": [ "Measurements were conducted of five species of Lamblia mounted and stained with ferreous hematoxylin.", "In order to obtain comparable results only mature trophozoites with medial bodies were measured.", "It was shown that the totality of biometrical indices of mature trophozoites is specific f...
{ "en": [ "Chenodeoxycholic acid labeled with 2H in the 11 and positions was prepared by catalytic reduction of delta 11-12 unsaturated derivatives of cholic acid.", "To validate the use of this stable isotope for the determination of bile acid kinetics by isotope dilution, it was administered to seven normal...

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