CefotaximeCephalosporinsCephaloridineCephapirinCephalothinCephalexinCephalosporinaseMicrobial Sensitivity TestsCefamandoleAnti-Bacterial AgentsMandelic AcidsThiadiazolesBacteriaCephalosporin ResistanceCefazolinDrug Incompatibilitybeta-LactamasesBacterial InfectionsAcremoniumDrug StabilityChemistryChemical PhenomenaCeftriaxoneSulfidesMoxalactamCeftazidimeCeftizoximePenicillinsDrug Resistance, MicrobialEnterobacteriaceaeCephamycinsCefmenoximebeta-LactamsCefoperazoneIntestinal AbsorptionStructure-Activity RelationshipGram-Negative BacteriaPenicillin ResistanceCefuroximeGram-Positive BacteriaDrug Resistance, BacterialAntibiotic ProphylaxisPenicillin-Binding ProteinsEnterobacterEscherichia coliAmpicillinLactamsCefoxitinStreptococcus pneumoniaeEnterobacteriaceae InfectionsPenicillin AmidaseCefaclorCefotiambeta-Lactam ResistanceAztreonamPenicillin GAminoglycosidesMuramoylpentapeptide CarboxypeptidaseAnti-Infective AgentsCefiximePeptidyl TransferasesStaphylococcus aureusPseudomonas aeruginosaBacterial ProteinsHexosyltransferasesImipenemGentamicinsDrug Resistance, Multiple, BacterialMolecular Sequence DataPiperacillinKlebsiella pneumoniaeThienamycinsPenicillinaseStreptomycesCiprofloxacinKlebsiellaPenicillanic AcidKlebsiella InfectionsCefonicidCephradineVancomycinKineticsClavulanic AcidGram-Negative Bacterial InfectionsCulture MediaTobramycinFluoroquinolonesFleroxacinClavulanic AcidsHydrolysisPseudomonasMutationDNA, BacterialAmino Acid SequenceAmoxicillinNeisseria gonorrhoeaeAmikacinStaphylococcusFermentationAntibiotics, Antineoplastic