CeftizoximeCefotaximeCephalosporinsCefoxitinCefmetazoleFormularies, HospitalBacteroides fragilisCefazolinCefonicidCefoperazoneHospital Bed Capacity, 500 and overMicrobial Sensitivity TestsBacteroides InfectionsCefamandoleCefotetanCefotiamAnti-Bacterial AgentsDrug IndustryCephamycinsBlisterCephalosporin ResistanceMoxalactamLactamsBacteriaCefuroximeDrug StabilityEnterobacterbeta-LactamasesDrug Resistance, MicrobialBacteria, AnaerobicPenicillin GPenicillin ResistanceAmikacin