CephalosporinsPenicillinsCephaloridineCephalothinCephalexinCephapirinPenicillin GCephalosporinaseMicrobial Sensitivity TestsCefamandoleAnti-Bacterial AgentsCefotaximePenicillin ResistancePenicillin VMandelic AcidsCephalosporin ResistanceBacteriaCefazolinThiadiazolesbeta-LactamasesDrug IncompatibilityPenicillin AmidaseBacterial InfectionsAcremoniumCeftriaxoneChemistryPenicillin G ProcaineChemical PhenomenaDrug StabilityCefiximeDrug Resistance, MicrobialCefmenoximePenicillinasebeta-LactamsSulfidesCeftizoximePenicillin G BenzathinePenicillin-Binding ProteinsEnterobacteriaceaeCeftazidimeAmpicillinDrug Resistance, BacterialStructure-Activity RelationshipEnterobacterIntestinal AbsorptionCefuroximeGram-Negative BacteriaCephradineCefaclorMuramoylpentapeptide CarboxypeptidaseAntibiotic ProphylaxisStreptococcus pneumoniaebeta-Lactam ResistanceCefotiamPeptidyl TransferasesEscherichia coliGram-Positive BacteriaHexosyltransferasesCloxacillinNeisseria gonorrhoeaeCefoxitinAztreonamEnterobacteriaceae InfectionsLactamsDrug Resistance, Multiple, BacterialKlebsiellaBacterial ProteinsKlebsiella pneumoniaeCephamycinsCefoperazonePenicillanic AcidGonorrheaAminoglycosidesStaphylococcus aureusCefonicidDrug UtilizationGentamicinsPseudomonas aeruginosaProteusStreptomycesKlebsiella InfectionsMoxalactamStaphylococcusCarbapenemsPneumococcal InfectionsCross InfectionCefsulodinCefotetanCefmetazoleCulture MediaClavulanic AcidCefadroxilImipenemAnti-Infective AgentsVancomycinErythromycinGram-Negative Bacterial InfectionsCarbenicillinDNA, BacterialThienamycins