Comparative activities of aztreonam and cefotaxime against Escherichia coli and Bacteroides spp. in pure and mixed cultures.

Abstract

The activities of aztreonam and cefotaxime against one Escherichia coli strain and three Bacteroides strains have been studied by using pure and mixed cultures of aerobic and anaerobic bacteria. A fixed concentration (8 micrograms/ml) of cefotaxime or aztreonam killed E. coli that was exposed in pure culture, but the pressure of Bacteroides spp. in the same… (More)

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