Cephalosporin ResistanceCephalosporinsbeta-LactamasesMicrobial Sensitivity TestsAnti-Bacterial AgentsCefotaximeEnterobacteriaceae Infectionsbeta-Lactam ResistanceDrug Resistance, BacterialCefuroximeEnterobacteriaceaeKlebsiella pneumoniaeDrug Resistance, MicrobialDrug Resistance, Multiple, BacterialEscherichia colibeta-LactamsKlebsiella InfectionsPenicillin-Binding ProteinsCeftazidimeDrug ResistanceGram-Negative BacteriaBacterial ProteinsDNA, BacterialAcremoniumCephalosporinaseCephalexinGram-Positive Bacterial InfectionsCephaloridineEnterococcus faecalisEscherichia coli InfectionsCeftriaxoneGram-Negative Bacterial InfectionsPlasmidsCross InfectionCephalothinDrug Resistance, NeoplasmEnterobacter cloacaeMacauCefmenoximeBacteriaPenicillinsDrug Resistance, MultipleCefiximeSerratia InfectionsCeftizoximePenicillin ResistanceDisease ResistanceCefazolinEnterobacterVascular ResistanceBacteremiaDrug Resistance, ViralCefamandoleCefotiamCefaclorPenicillinaseCephradineIndiaHospitalsBacterial InfectionsElectrophoresis, Gel, Pulsed-FieldPenicillin AmidaseMutationAmpicillinGram-Positive BacteriaCefoxitinMolecular Sequence DataPolymerase Chain ReactionAztreonamKlebsiellaPenicillin GCephamycinsCefoperazoneStaphylococcus aureusTetracycline ResistancePseudomonas aeruginosaMuramoylpentapeptide CarboxypeptidaseCefonicidNeisseria gonorrhoeaeCarbapenemsDrug StabilityPlant DiseasesCefotetanPeptidyl TransferasesStreptococcus pneumoniaePenicillanic AcidCefsulodinMethicillin ResistanceFluoroquinolonesAminoglycosidesCefmetazoleAnti-Infective AgentsHexosyltransferasesLactamsDrug Resistance, FungalMoxalactamImipenemAirway ResistanceInfant, NewbornConjugation, Genetic