I L Herrán

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The effect of ceftizoxime, a new aminothiazolil-syn-methoxy-iminocephalosporin has been evaluated on 169 strains of Gram negative bacilli isolated from hospitalized patients and compared with that of cefotaxime and of ceftriaxone. The effect of these 3 cephalosporins and of cefalotin was also evaluated on 50 strains of staphylococcus. CIM50 of ceftizoximel(More)
The activity of cefpirome (HR 810) was evaluated against 247 strains isolated from patients developing their infections while in a hospital in Buenos Aires. Its activity against Gram negative bacilli was compared with ceftriaxone, ceftazidime, cephalotin, piperacillin, amikacin, gentamicin and norfloxacin. In terms of MIC50 and MIC90 (mg/l) it was as(More)
The sensitivity of microorganisms to antimicrobial preparations is determined--using agar as the test medium--by means of a semi-quantitative method involving two concentrations, i.e. a low concentration relating to serum levels easily attained at the commonly used dosage level of the various antibacterially acting preparations, and a high concentration(More)
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