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Polymerase chain reaction amplification of SHV (293bp), TEM (403bp), and CTX-M (874bp). Lane L: 100bp DNA-ladder, lane 1: Enterobacter cloacae (SHV, TEM and CTX-M), lane 2: Enterobacter cloacae (CTX-M), and Lane 3: Enterobacter cloacae (TEM).
