CefamandolePenicillinsPenicillin GCephalosporinsPenicillin ResistancePenicillin VMandelic AcidsCephalothinPenicillin G ProcainePenicillin AmidaseCefazolinCefoxitinPenicillin G BenzathineMicrobial Sensitivity TestsAnti-Bacterial AgentsCephapirinAmpicillinCephalosporinaseCephaloridinePenicillinaseCefuroximeEnterobacteriaceaeCefonicidCarbenicillinPenicillin-Binding ProteinsMethicillinBacteriaCephalexinDrug Resistance, MicrobialMuramoylpentapeptide CarboxypeptidaseCephamycinsCefotaximeEconomic CompetitionStaphylococcusMoxalactamProteusStreptococcus pneumoniaePremedicationHexosyltransferasesCefoperazonePeptidyl TransferasesSarcinaEnterobacterTobramycinbeta-Lactamasesbeta-LactamsHealth Care SectorCeftriaxoneHypoprothrombinemiasTicarcillinLactamsOxacillinGentamicinsHalf-LifeStaphylococcus aureusChloramphenicolVancomycinStreptococcusCommerceCefaclorPneumococcal InfectionsMarketingStreptococcal InfectionsNeisseria gonorrhoeaeBacterial InfectionsHaemophilus influenzaeProbenecidInjections, IntramuscularCeftizoximeCulture MediaStaphylococcus epidermidisMarketing of Health ServicesKinetics