TobramycinImipenemThienamycinsCilastatinAnti-Bacterial AgentsMicrobial Sensitivity TestsPseudomonas aeruginosaGentamicinsAminoglycosidesAmikacinCarbapenemsPseudomonas InfectionsNetilmicinbeta-LactamasesKanamycinCeftazidimePiperacillinTicarcillinDrug Resistance, MicrobialAzlocillinColistinAcinetobacter baumanniiCarbenicillinAcinetobacter InfectionsCystic FibrosisMoxalactamCephalosporinsEnterobacteriaceaeDrug Resistance, BacterialAztreonamGram-Negative BacteriaAcinetobacterSisomicinLactamsDrug Resistance, Multiple, BacterialCiprofloxacinKlebsiella pneumoniaeDrug Therapy, CombinationPenicillinsGram-Negative Bacterial InfectionsCyclopropanesEnterobacteriaceae InfectionsDrug SynergismSulbactamDipeptidasesBacterial InfectionsCross InfectionBacteroides fragilisFosfomycinCefotaximeBacteriaNafcillinEnterobacter cloacaeKlebsiella InfectionsPneumonia, BacterialCefoperazoneGram-Positive BacteriaVancomycinAnti-Infective AgentsBacteria, AnaerobicAdministration, InhalationBacterial ProteinsDrug CombinationsCefoxitinDrug IncompatibilityPenicillanic AcidConjunctivitis, BacterialStaphylococcus aureusColony Count, MicrobialPenicillin-Binding ProteinsSerratia marcescensCephalothinBiofilmsCefamandolePorinsMuramoylpentapeptide CarboxypeptidaseCefazolinClindamycinCephalosporinaseEscherichia coliHexosyltransferases