PiperacillinPenicillanic AcidPenicillinsTicarcillinCarbenicillinAnti-Bacterial AgentsMicrobial Sensitivity Testsbeta-LactamsAzlocillinTobramycinMezlocillinbeta-LactamasesPseudomonas aeruginosaSulbactamCefoxitinLactamsCeftazidimeCefoperazoneAmpicillinEnterobacteriaceaeClavulanic AcidFloxacillinGentamicinsCephalosporinsImipenemAztreonamGram-Negative BacteriaDrug Therapy, CombinationBacterial InfectionsClavulanic AcidsThienamycinsSerratiaBacteriaPseudomonas InfectionsPenicillin ResistanceKlebsiellaAmikacinBacteroides fragilisCiprofloxacinMoxalactamCephalothinBacteria, AnaerobicDrug IncompatibilityAminoglycosidesCefotaximeGram-Negative Bacterial InfectionsEnterobacter cloacaeDrug Resistance, Microbialbeta-Lactam ResistancePenicillin G ProcaineCefamandoleDrug SynergismAnti-Infective AgentsNetilmicinHalf-LifeCephamycinsMetabolic Clearance RateChemotherapy-Induced Febrile NeutropeniaDrug InteractionsStenotrophomonasDrug Resistance, Multiple, Bacterial