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Electrophoretic graph of conventional PCR products on 1.5% agarose gel stained with ethidium bromide of some representative K. pneumoniae isolates for the detection of integron I. Lanes M: represent 100 bp DNA ladder, Lane 18: positive control (reagent control mixture with DNA of the standard strain), Lane 19: negative control (reagent control mixture without DNA), Lanes 1–17 and 20–38: clinical K. pneumoniae isolates.
