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Representatives of polymerase chain reaction (PCR) amplification products of plasmid-mediated quinolone resistance (PMQR) and int1 genes in outpatient isolates of Klebsiella spp. Lane 1, oqxA (392 bp); lane 2, oqxB (512 bp); lane 3, int1 (280 bp); lane 4, aac(6’)-Ib-cr (482 bp); lane 5, qnrS (388 bp); lane 6, qnrB (594 bp). L; 50 bp DNA ladder; C-, negative control; C+, positive control
