Fig. 1. - Antimicrobial resistance in strains of P. aeruginosa isolated from patients at the University Hospital in Cumana, Venezuela. PIP: piperacillin, TZP: piperacillin/tazobactam, CAZ: ceftazidime, FEP: cefepime, ATM: aztreonam, IPM: imipenem, MEM: meropenem, GM: gentamicin, NN: tobramycin, NET: netilmicin, AK: amikacin, CIP: ciprofloxacin.