Cephalosporin ResistanceCephalosporinsMicrobial Sensitivity TestsCefotaximeAnti-Bacterial Agentsbeta-LactamasesCefuroximeDrug Resistance, BacterialEnterobacteriaceae Infectionsbeta-Lactam ResistancePenicillin-Binding ProteinsGram-Positive Bacterial InfectionsAcremoniumAntimicrobial Cationic PeptidesDrug Resistance, MicrobialEnterococcus faecalisEscherichia coliBacterial ProteinsDNA, BacterialAnti-Infective AgentsPlasmidsBacteriaDrug ResistanceCephalexinDrug Resistance, Multiple, BacterialCephalosporinaseCeftriaxoneGram-Negative BacteriaGram-Positive BacteriaCephalothinBacterial InfectionsCephaloridineCefmenoximeCeftizoximeEnterobacteriaceaeDrug Resistance, NeoplasmDrug Resistance, MultiplePenicillin ResistancePenicillinsPenicillin AmidaseStaphylococcus aureusCefazolinCefiximeCeftazidimeCefaclorDisease ResistanceCefamandolePseudomonas aeruginosaVascular ResistanceEnterobacterMolecular Sequence DataDrug Resistance, ViralAmpicillinPenicillinaseCefonicidMutationPenicillin GStreptococcus pneumoniaeDrug StabilityMethicillin ResistanceFluoroquinolonesKlebsiella pneumoniaeMuramoylpentapeptide CarboxypeptidaseCephradinebeta-LactamsCiprofloxacinStaphylococcusCathelicidinsCefotiam