PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinaseMuramoylpentapeptide CarboxypeptidaseAmpicillinPeptidyl TransferasesHexosyltransferasesCephalosporinsPneumococcal InfectionsStreptococcal InfectionsNeisseria gonorrhoeaeDrug HypersensitivityCloxacillinGonorrheaAcremoniumErythromycinDrug Resistance, Microbialbeta-LactamsCeftriaxoneStreptococcusCefotaximePharyngitisCephaloridineSpectinomycinbeta-LactamasesDrug Resistance, BacterialCarbenicillinPenicilliumCephalothinOxacillinGentamicinsLactamsBacterial ProteinsTetracyclineEndocarditis, BacterialTonsillitisStaphylococcusNeurosyphilisPeptidoglycanProteusClindamycinSerotypingStreptomycinPenicillanic AcidProbenecidAmoxicillinSyphilisCulture MediaChloramphenicolCefuroximeViridans StreptococciDicloxacillinBacteriaEscherichia coliStreptococcus pyogenesMethicillinStaphylococcus aureusNeisseria meningitidisStreptococcus sanguisCefiximeMacrolidesPhenylacetatesMeningitis, PneumococcalStreptococcus agalactiaeTicarcillinSulfadiazinePneumonia, PneumococcalVancomycinCarboxypeptidasesAspergillus nidulans2-Aminoadipic AcidAnti-Infective AgentsAmidohydrolasesCarrier ProteinsEnterococcus faecalisCephalexinTime FactorsAmpicillin ResistanceSarcinaAminoacyltransferasesPeptide SynthasesCephalosporinaseBacteriolysisEnterobacteriaceaeAmoxicillin-Potassium Clavulanate CombinationDrug Therapy, CombinationUnited StatesInjections, IntramuscularRheumatic FeverErysipelasNasopharynx