Changes in Streptococcus mutans and lactobacilli in plaque in relation to the initiation of dental caries in Negro children.
D044383:Black People; D002648:Child; D003731:Dental Caries / Q000209:etiology / Q000382:microbiology*; D003773:Dental Plaque / Q000382:microbiology*; D006801:Humans; D007778:Lactobacillus / Q000302:isolation & purification*; D013223:Statistics as Topic; D013291:Streptococcus / Q000302:isolation & purification*; D013997:Time Factors