[Studies on distribution of streptococcus mutans in oral cavity and their biological types].
D003731:Dental Caries / Q000382:microbiology*; D003773:Dental Plaque / Q000032:analysis; D003804:Dentin / Q000032:analysis; D006801:Humans; D012463:Saliva / Q000032:analysis; D013291:Streptococcus / Q000032:analysis*; D013295:Streptococcus mutans / Q000032:analysis*; D014059:Tongue / Q000032:analysis