CefoxitinCephamycinsBacteroides fragilisCephalosporinsCefotetanMicrobial Sensitivity TestsCephalothinCefmetazoleAnti-Bacterial AgentsMoxalactambeta-LactamasesCephalosporinaseCefamandoleBacteria, Anaerobicbeta-LactamsBacteroidesOxacillinCefotaximeBacteroides InfectionsCefoperazoneEnterobacteriaceaeDrug Resistance, MicrobialCeftizoximeClindamycinProbenecidImipenemLactamsBacterial InfectionsPremedicationEnterobacterProteusBacteriaKlebsiella pneumoniaeKlebsiellaFusobacteriumMetronidazoleTreatment OutcomeTicarcillinMethicillin ResistanceCefazolinPenicillinsCephalosporin ResistancePenicillanic AcidFormularies, HospitalClavulanic AcidsPiperacillinDisk Diffusion Antimicrobial TestsPenicillin-Binding ProteinsPenicillinasebeta-Lactam ResistanceHospital Bed Capacity, 500 and overAztreonamSulbactamBacterial ProteinsProteus vulgarisClavulanic Acid