PCR fingerprint patterns obtained with primer ERIC2 for selected Tunisian clinical isolates of Salmonella serotype Mbandaka resistant to broad-spectrum cephalosporins. Lane A, isolate MMAS1 (pattern A1); lane B, isolate MMAS2 (pattern A1); lane C, isolate MMAS5 (pattern A2); lane D, isolate MMAS21 (pattern A1); lane E, isolate MMAS22 (pattern B); lane F, isolate MMAS23 (pattern A1); lane G, isolate MMAS29 (pattern A1); lane H, isolate MMAS31 (pattern A1); lane I, isolate MMAS32 (pattern A2).