| first report of ctx-m-15 and ctx-m-3 beta-lactamases among clinical isolates of enterobacteriaceae in béjaia, algeria. | we assessed the prevalence and phenotypic characteristics of extended-spectrum beta-lactamase producers among 365 clinical isolates of members of the family enterobacteriaceae recovered from two hospitals in béjaia, algeria, between march 2004 and april 2005. twenty-one strains were resistant to cefotaxime and/or ceftazidime. a double-disk synergy test yielded a positive result in five cases (three escherichia coli, one klebsiella pneumoniae and one enterobacter cloacae). using polymerase chain ... | 2006 | 16621456 |