PiperacillinPenicillanic AcidPenicillinsAnti-Bacterial AgentsMicrobial Sensitivity TestsTicarcillinCarbenicillinbeta-LactamsTobramycinPseudomonas aeruginosaAzlocillinbeta-LactamasesGentamicinsAntibiotic ProphylaxisBacterial InfectionsAmpicillinBacteriaMezlocillinLactamsCephalosporinsCefoxitinDrug Resistance, MicrobialAminoglycosidesSulbactamGram-Negative BacteriaEnterobacteriaceaeCeftazidimeDrug Resistance, BacterialFloxacillinCefoperazoneDrug Therapy, CombinationImipenemThienamycinsClavulanic AcidPenicillin ResistanceAztreonamCiprofloxacinPseudomonas InfectionsAmikacinKlebsiellaSerratiaClavulanic AcidsAnti-Infective AgentsCephalothinDrug Resistance, Multiple, BacterialCefotaximeBacteroides fragilisGram-Negative Bacterial InfectionsMoxalactamBacteria, AnaerobicStreptomycesEscherichia colibeta-Lactam ResistanceGram-Positive BacteriaAntibiotics, AntineoplasticCross InfectionDrug SynergismCefazolinCefamandoleEnterobacter cloacaeDrug IncompatibilityNetilmicinCephaloridineKanamycinStaphylococcus aureusCephamycinsPenicillin G ProcaineFosfomycinClindamycinKlebsiella InfectionsCarbapenemsFluoroquinolonesBacterial ProteinsDrug InteractionsCeftriaxoneHalf-LifeBacteremiaProteusDrug UtilizationVancomycinPseudomonasCefuroximeAcinetobacterMetronidazolePeptidyl TransferasesFeverMuramoylpentapeptide CarboxypeptidaseGram-Negative Aerobic BacteriaMetabolic Clearance RateFusobacteriumInfusions, IntravenousStenotrophomonasFermentationPenicillin-Binding ProteinsChemotherapy-Induced Febrile NeutropeniaPremedicationDrug CombinationsErythromycinCulture MediaTetracycline