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Of the 181 unduplicated Escherichia coli strains isolated in nine different hospitals in three Portuguese regions, 119 were extended-spectrum beta-lactamase (ESBL)-CTX-M producers and were selected(More)
All 187 Klebsiella pneumoniae isolated over six consecutive months of 1999 in 17 Portuguese health institutions were studied: 89% were resistant to ampicillin, 31% to trimethoprim/sulfamethoxazole,(More)
Sixteen strains of Escherichia coli isolated between January and June 2005 in a hospital in Algiers carry the ISEcp1 element and the TEM and either CTX-M-3 (n=3) or CTX-M-15 (n=13) beta-lactamases.(More)
Fifty-five isolates of Klebsiella pneumoniae were evaluated for extended-spectrum beta-lactamase (ESBL) detection and confirmation, using MIC testing by agar dilution, broth microdilution, and the(More)