CefamandoleMandelic AcidsCephalosporinsCephalothinCefazolinCefoxitinCephapirinCephalosporinaseMicrobial Sensitivity TestsCefonicidCefuroximeEnterobacteriaceaeCephaloridinePenicillin ResistanceEconomic CompetitionAmpicillinCarbenicillinCephamycinsMoxalactamCephalexinMethicillinPremedicationBacteriaHealth Care SectorCefoperazoneHypoprothrombinemiasAnti-Bacterial AgentsTobramycinEnterobacterHalf-LifeStaphylococcusDrug Resistance, MicrobialCommerceProteusSarcinaMarketingCefotaximePenicillinaseTicarcillinCefaclorMarketing of Health Services