AmpicillinPenicillinsPenicillin GPenicillin VPenicillin ResistanceAmpicillin ResistanceAnti-Bacterial AgentsPenicillin G ProcaineMicrobial Sensitivity TestsPenicillin AmidasePenicillin G BenzathineDrug Resistance, MicrobialSulbactamPenicillinaseDrug Resistance, BacterialAntibiotic ProphylaxisCephalosporinsPenicillin-Binding ProteinsGentamicinsbeta-LactamsPivampicillinStreptococcus pneumoniaebeta-LactamasesTetracyclineCloxacillinChloramphenicolMuramoylpentapeptide CarboxypeptidaseEscherichia coliPeptidyl TransferasesCephaloridineErythromycinBacteriaHexosyltransferasesStreptococcal InfectionsDrug Resistance, Multiple, BacterialCeftriaxoneAminoglycosidesHaemophilus influenzaeAmoxicillinCarbenicillinPenicillanic AcidStreptomycinCefotaximeBacterial InfectionsLactamsCephalothinNeisseria gonorrhoeaeCephalexinEnterococcus faecalisEnterobacteriaceaeBacterial ProteinsVancomycinAnti-Infective AgentsTrimethoprimStreptomycesR FactorsPneumococcal InfectionsKanamycinSulfamethoxazoleProteusProbenecidGonorrheaCulture MediaGram-Positive Bacterial InfectionsDNA, BacterialCefuroximeStreptococcusStaphylococcus aureusEndocarditis, BacterialStaphylococcusClindamycinCiprofloxacinKlebsiellaDrug HypersensitivityMacrolidesCefazolinOxacillinEnterococcus faeciumDrug UtilizationDrug Therapy, CombinationEnterococcusTrimethoprim-Sulfamethoxazole CombinationAntibiotics, AntineoplasticSpectinomycinAmoxicillin-Potassium Clavulanate CombinationPharyngitisGram-Positive Bacteria