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Multiplex PCR results from Enriched-PCR samples at different concentrations of Shigella flexneri. 2% agarose gel electrophoresis stained with ethidium bromide. Lane 1: negative control, lane 2: molecular size marker; lane 3: Escherichia coli; lane 4: Shigella 106 enriched-PCR sample; lane 5: Shigella 105 enriched-PCR sample; lane 6: Shigella 104 enriched-PCR sample; lanes 7 and 8: empty.
