CefotaximeInjectionsCephalosporinsMoxalactamMicrobial Sensitivity TestsCephalosporin ResistanceCephamycinsAnti-Bacterial Agentsbeta-LactamasesCefoperazoneCeftazidimeCeftriaxonebeta-LactamsCeftizoximeInjections, IntramuscularEnterobacteriaceaePenicillin ResistanceInjections, IntravenousPenicillinsDrug Resistance, MicrobialStreptococcus pneumoniaeEnterobacteriaceae Infectionsbeta-Lactam ResistanceCefmenoximeCefoxitinAztreonamCephalosporinaseLactamsInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularBacteriaImipenemPiperacillinKlebsiella pneumoniaeCefuroximeCefotiamThienamycinsPenicillin-Binding ProteinsInjections, IntraperitonealEnterobacterClavulanic AcidDrug Resistance, BacterialMeningitisAmpicillinEscherichia coliGram-Negative BacteriaKlebsiella InfectionsAmpicillin ResistanceAzlocillinBacterial InfectionsCiprofloxacinMuramoylpentapeptide CarboxypeptidaseSerum Bactericidal TestInjections, IntradermalEmpiricismPneumococcal InfectionsInjections, EpiduralInjections, IntraventricularTobramycinClavulanic AcidsPenicillanic AcidKlebsiellaHexosyltransferasesPeptidyl TransferasesMeningitis, PneumococcalInjections, Intra-ArterialIsoelectric FocusingFleroxacinAnti-Infective AgentsDrug Resistance, Multiple, BacterialTime FactorsGentamicinsIntravitreal InjectionsPenicillin GInjections, SpinalDrug SynergismAmikacinMezlocillinInjections, JetEscherichia coli InfectionsProteus vulgarisInjections, IntraocularHalf-LifeKineticsSulbactam