[resistance of ambulatory urinary infection pathogens according to the data of multicenter microbiological studies utiap-i and utiap-ii].to study causative agents and sensitivity of e-coli strains isolated from adult outpatients with uncomplicated urinary infection (ui) in different regions of russia.200415114744
[molecular mechanisms of cephalosporin resistance in gram-negative bacteria of the enterobacteriaceae family].extended spectrum beta lactamase genes were detected by the pcr in 87.6% of 231 enterobacteriaceae strains isolated in medical institutions of moscow, st. petersburg, tomsk and nazran that showed a decrease in their susceptibility to 3rd generation cephalosporins. alone or in various combinations tem type beta lactamases were detected in 43.3% of the isolates, 46.8 and 51.2% of the isolates produced shv type and ctx type beta lactamases respectively. combinations of 2 and 3 different determinant ...200415344391
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