CefoxitinCephamycinsBacteroides fragilisCephalosporinsCefotetanMicrobial Sensitivity TestsCephalothinCefmetazoleAnti-Bacterial AgentsMoxalactambeta-LactamasesCephalosporinaseCefamandoleBacteria, Anaerobicbeta-LactamsBacteroidesOxacillinCefotaximeCefoperazoneBacteroides InfectionsEnterobacteriaceaeDrug Resistance, MicrobialCeftizoximeClindamycinProbenecidImipenemLactamsBacterial InfectionsEnterobacterPremedicationProteusKlebsiella pneumoniaeKlebsiellaBacteriaFusobacteriumTicarcillinMetronidazoleMethicillin ResistanceCefazolinPenicillinsCephalosporin ResistancePenicillanic AcidFormularies, HospitalClavulanic AcidsPenicillin-Binding ProteinsDisk Diffusion Antimicrobial TestsPiperacillinPenicillinasebeta-Lactam ResistanceHospital Bed Capacity, 500 and overProteus vulgarisAztreonamBacterial ProteinsClavulanic AcidSulbactam