Fig. 3From: Frequency of quinolone resistance genes among extended-spectrum β-lactamase (ESBL)-producing Escherichia coli strains isolated from urinary tract infectionsQuinolone resistance pattern of ESBL-producing Escherichia coli isolates harboring qnr genes. Left to right: E&q.P, ESBL and qnr positive; E.P&q.N, ESBL positive and qnr negative; E.N&q.P, ESBL negative and qnr positive; E&q.N, ESBL and qnr negativeBack to article page