PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMicrobial Sensitivity TestsMass SpectrometryPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinaseWithanolidesMuramoylpentapeptide CarboxypeptidaseAmpicillinPeptidyl TransferasesHexosyltransferasesCephalosporinsPneumococcal InfectionsStreptococcal InfectionsNeisseria gonorrhoeaeWorld HealthWorld Health OrganizationBody Mass IndexCloxacillinDrug HypersensitivityGonorrheaAcremoniumErythromycinDrug Resistance, Microbialbeta-LactamsCeftriaxoneStreptococcusWestern AustraliaCefotaximePharyngitisCephaloridineSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometrySpectinomycinbeta-LactamasesDrug Resistance, BacterialMolecular Sequence DataPenicilliumCarbenicillinCephalothinBacterial ProteinsOxacillinGentamicinsLactamsSerotypingTetracyclineTonsillitisPeptidoglycanEndocarditis, BacterialNeurosyphilisStaphylococcusProteusSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAspergillus nidulansWorld War IIClindamycinRotavirusStreptomycinPenicillanic AcidProbenecidCulture Media2-Aminoadipic AcidSyphilisEscherichia coliAmoxicillinAmino Acid SequenceBacteriaChloramphenicolCefuroximeViridans StreptococciDicloxacillinStreptococcus pyogenesTime FactorsNeisseria meningitidisMethicillinStaphylococcus aureusStreptococcus sanguisCarrier ProteinsPhenylacetatesMacrolidesWashingtonCefiximeStreptococcus agalactiaeTicarcillinCarboxypeptidasesBronchographyAmidohydrolasesMeningitis, PneumococcalPneumonia, PneumococcalSulfadiazineAnti-Infective AgentsVancomycinEnterococcus faecalis