CefamandoleMandelic AcidsCephalosporinsCephalothinCefazolinCefoxitinCephapirinCephalosporinaseMicrobial Sensitivity TestsCefonicidCefuroximeEnterobacteriaceaeCephaloridinePenicillin ResistanceEconomic CompetitionAmpicillinCarbenicillinCephamycinsMoxalactamBacteriaCephalexinMethicillinPremedicationHealth Care SectorCefoperazoneHypoprothrombinemiasAnti-Bacterial AgentsTobramycinEnterobacterHalf-LifeDrug Resistance, MicrobialCommerceStaphylococcusProteusSarcinaMarketingCefotaximePenicillinaseTicarcillinCefaclorMarketing of Health Services