CefamandoleMandelic AcidsCephalosporinsCephalothinCefazolinCefoxitinSodiumCephapirinCephalosporinaseMicrobial Sensitivity TestsCefonicidCefuroximeEnterobacteriaceaeCephaloridinePenicillin ResistanceEconomic CompetitionAmpicillinCarbenicillinCephamycinsMoxalactamCephalexinBacteriaMethicillinPremedicationHealth Care SectorCefoperazoneHypoprothrombinemiasAnti-Bacterial AgentsTobramycinEnterobacterHalf-LifeStaphylococcusDrug Resistance, MicrobialCommerceProteusSarcinaSodium ChannelsMarketingCefotaximePenicillinaseTicarcillinCefaclorMarketing of Health Services