CefoperazoneSulbactamMoxalactamCephalosporinsCephamycinsCefotaximeCefotetanAztreonamCefoxitinAnti-Bacterial AgentsMicrobial Sensitivity TestsCeftazidimeEnterobacterEnoxacinBacteriabeta-LactamsPiperacillinBacteroides fragilisbeta-LactamasesCefamandoleEnterobacteriaceaeCefmetazoleImipenemCefsulodinPenicillanic AcidDrug Resistance, MicrobialAzlocillinCeftizoximeEnterobacteriaceae InfectionsPseudomonas aeruginosa