Cephalosporin ResistanceLactamsCephalosporinsAnti-Bacterial AgentsCyclacillinbeta-LactamsMicrobial Sensitivity TestsCefotaximeSuperinfectionbeta-LactamasesCefuroximeDrug Resistance, BacterialAminoglycosidesPenicillin ResistanceEnterobacteriaceae Infectionsbeta-Lactam ResistancePenicillin-Binding ProteinsGram-Positive Bacterial InfectionsAcremoniumAntimicrobial Cationic PeptidesDrug Resistance, MicrobialEscherichia coliEnterococcus faecalisBacterial ProteinsDNA, BacterialAnti-Infective AgentsPlasmidsBacteriaDrug ResistanceCyclizationCephalexinDrug Resistance, Multiple, BacterialCephalosporinaseCeftriaxoneGram-Negative BacteriaRandomized Controlled Trials as TopicPenicillinsGram-Positive BacteriaCephalothinBacterial InfectionsCephaloridineCefmenoximeCeftizoximeEnterobacteriaceaeDrug Resistance, NeoplasmDrug Resistance, Multiplealpha-MSHPenicillin AmidaseStaphylococcus aureusHeterocyclic Compounds, 1-RingCefazolinMolecular Sequence DataCefiximeCeftazidimeMolecular StructureCefaclorInterleukin-1betaDisease ResistanceCefamandoleMuramic AcidsStereoisomerismPseudomonas aeruginosaVascular ResistanceEnterobacterStructure-Activity RelationshipMutationDrug Resistance, ViralAmpicillinPenicillinaseCefonicidbeta 2-MicroglobulinAmino Acid SequenceStreptomycesMacrolidesDrug StabilityStreptococcus pneumoniaePenicillin GMagnetic Resonance SpectroscopyMethicillin ResistanceFluoroquinolonesKlebsiella pneumoniaeMuramoylpentapeptide CarboxypeptidaseStaphylococcusCephradineCiprofloxacinCathelicidinsbeta-DefensinsCefotiam