Figure 2. XbaI and NotI pulsed-field gel electrophoresis patterns for clonal group I Escherichia coli isolated from women with urinary tract infections in Montréal, Québec, Canada, 2006. The 6 isolates shown were resistant to ciprofloxacin and in serogroup O25:H4. First and last lanes, bacteriophage λ; lane +, positive control.
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