Cephalosporin ResistanceCephalosporinsCefotaximeMicrobial Sensitivity Testsbeta-LactamasesCefuroximeAnti-Bacterial AgentsEnterobacteriaceae Infectionsbeta-Lactam ResistanceDrug Resistance, BacterialPenicillin-Binding ProteinsAcremoniumGram-Positive Bacterial InfectionsEnterococcus faecalisDrug Resistance, MicrobialEscherichia coliDNA, BacterialBacterial ProteinsPlasmidsDrug ResistanceCephalexinCephalosporinaseCeftriaxoneCephalothinCephaloridineCefmenoximeCeftizoximeDrug Resistance, NeoplasmBacteriaPenicillin AmidaseDrug Resistance, Multiple, BacterialDrug Resistance, MultipleCefazolinEnterobacteriaceaePenicillin ResistanceCefiximePenicillinsCefaclorDisease ResistanceCeftazidimeCefamandoleVascular ResistanceBacterial InfectionsDrug Resistance, ViralGram-Negative BacteriaEnterobacterCefonicidGram-Positive BacteriaPenicillinaseCephradineCefotiamMuramoylpentapeptide Carboxypeptidase