CefotaximeInjections, IntramuscularCephalosporinsGonorrheaHalf-LifeInjections, IntravenousMoxalactamMicrobial Sensitivity TestsCephalosporin ResistanceCephamycinsAnti-Bacterial Agentsbeta-LactamasesCefoperazoneCeftazidimeCeftriaxonebeta-LactamsCeftizoximeEnterobacteriaceaePenicillin ResistanceDrug Resistance, MicrobialPenicillinsStreptococcus pneumoniaeCefmenoximeCefoxitinbeta-Lactam ResistanceEnterobacteriaceae InfectionsAztreonamCephalosporinaseLactamsBacteriaImipenemPiperacillinCefuroximeKlebsiella pneumoniaeThienamycinsCefotiamPenicillin-Binding ProteinsEnterobacterClavulanic AcidDrug Resistance, BacterialMeningitisAmpicillinGram-Negative BacteriaKlebsiella InfectionsEscherichia coliAmpicillin ResistanceAzlocillinBacterial InfectionsCiprofloxacinSerum Bactericidal TestMuramoylpentapeptide CarboxypeptidasePneumococcal InfectionsTobramycinEmpiricismClavulanic AcidsPenicillanic AcidKlebsiellaHexosyltransferasesPeptidyl TransferasesAnti-Infective AgentsMeningitis, Pneumococcal