ImipenemThienamycinsCilastatinCarbapenemsAnti-Bacterial AgentsMicrobial Sensitivity Testsbeta-LactamasesPseudomonas aeruginosaCeftazidimeAcinetobacter baumanniiAcinetobacter InfectionsDrug Resistance, MicrobialCyclopropanesAcinetobacterSulbactamAmikacinDipeptidasesGram-Negative BacteriaPiperacillinBacteroides fragilisLactamsDrug Resistance, Multiple, BacterialDrug Resistance, BacterialCephalosporinsKlebsiella pneumoniaePseudomonas InfectionsGram-Negative Bacterial InfectionsBacteria, AnaerobicEnterobacteriaceae InfectionsEnterobacteriaceaePenicillanic AcidPenicillin-Binding ProteinsCiprofloxacinAztreonamKlebsiella InfectionsPorinsCross InfectionGram-Positive BacteriaMuramoylpentapeptide CarboxypeptidaseColistinEnterobacter cloacaeNafcillinCephalosporinaseDrug Therapy, CombinationHexosyltransferasesPneumonia, BacterialAnti-Infective AgentsPeptidyl TransferasesBacterial ProteinsBacteroides InfectionsCefotaximeCefoxitinBacterial InfectionsEnterobacterMinocyclineMoxalactamDrug CombinationsBacteremiaVancomycinIsoelectric FocusingPenicillins