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Gel image of S1 PFGE result of all XDR K. pneumoniae isolates. Isolates were digested using S1 nuclease and subjected to pulsed-field gel electrophoresis. The gel was subjected to Gel Red staining and analyzed in a CHEF-Mapper XA PFGE system. H = size marker strain Salmonella enterica ser. Braenderup H9812 digested with XbaI.
