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Agarose gel electrophoresis for combined results of multiplex PCRs (mPCR 1, 2, and 3) amplification of laboratory wastewaters samples. PM; Lanes: 1, negative control: mixture control; 2, non pathogenic E.coli HB101; 3, Sample of Mahdia (ETEC est+); 4, Sample of El-Jem (ETEC elt+); 5, Sample of Jammel (ETEC est+ and elt+); 6, Sample of Kasserine (EAEC aggR+); 7, Sample of Ouardanine (EIEC ipaH+).
