PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinaseMuramoylpentapeptide CarboxypeptidaseAmpicillinPeptidyl TransferasesHexosyltransferasesCephalosporinsPneumococcal InfectionsStreptococcal InfectionsNeisseria gonorrhoeaeDrug HypersensitivityCloxacillinGonorrheaErythromycinAcremoniumCeftriaxonebeta-LactamsDrug Resistance, MicrobialStreptococcusCefotaximeCephaloridinePharyngitisSpectinomycinbeta-LactamasesGentamicinsDrug Resistance, BacterialCarbenicillinCephalothinPenicilliumOxacillinLactamsBacterial ProteinsTetracyclineEndocarditis, BacterialTonsillitisStaphylococcusPeptidoglycanNeurosyphilisProteusProbenecidPenicillanic AcidClindamycinAmoxicillinStreptomycinAdministration, OralSerotypingSyphilisTime FactorsCulture MediaCefuroximeChloramphenicolViridans StreptococciDicloxacillinEscherichia coliBacteriaStreptococcus pyogenesStaphylococcus aureusDrug Administration ScheduleMethicillinRadiation DosagePhenylacetatesLethal Dose 50Neisseria meningitidisMacrolidesAnti-Infective AgentsStreptococcus sanguisCefiximeInjections, IntramuscularTicarcillinMeningitis, PneumococcalStreptococcus agalactiaeSulfadiazinePneumonia, PneumococcalDrug Therapy, Combination2-Aminoadipic AcidCarboxypeptidasesAspergillus nidulansAmidohydrolasesCarrier ProteinsVancomycinCephalexinEnterococcus faecalisSarcinaDrug SynergismAminoacyltransferasesAmpicillin ResistancePeptide SynthasesKineticsTreatment OutcomeCephalosporinase