CefamandoleCefoxitinCephalosporinsMandelic AcidsCephalothinCefazolinMicrobial Sensitivity TestsCephamycinsCephalosporinaseMoxalactamCephapirinEnterobacteriaceaeBacteroides fragilisAnti-Bacterial AgentsCefuroximeCefoperazonebeta-LactamasesCephaloridineCefotetanPremedicationBacteriaDrug Resistance, MicrobialPenicillin ResistanceAmpicillinCefotaximeCefmetazoleCefonicidEnterobacterbeta-LactamsCarbenicillinOxacillinProteusCeftizoximeMethicillinLactamsStaphylococcusTicarcillinBacterial InfectionsPenicillinaseTobramycinCephalexinProbenecidBacteria, AnaerobicPenicillinsHypoprothrombinemiasHalf-LifeBacteroidesStaphylococcus aureusBacteroides InfectionsSarcinaClavulanic AcidsCeftriaxoneClindamycinMeningitisPenicillin-Binding ProteinsInjections, IntramuscularImipenemChloramphenicolCefaclorEnterobacteriaceae Infections