Streptococcus anginosusStreptococcus mitisStreptococcus constellatusStreptococcusStreptococcus intermediusStreptococcal InfectionsStreptococcus milleri GroupViridans StreptococciStreptococcus oralisPharyngitisRNA, Ribosomal, 16SUrogenital SystemDNA, BacterialStreptococcus sobrinusMouthStreptococcus sanguisBacterial Typing TechniquesSequence Analysis, DNAStreptolysinsSpecies SpecificityPharynxStreptococcus PhagesStreptococcus mutansPolymerase Chain ReactionCorynebacterium diphtheriae