Dental caries in children of 9 and 14 years in three ethnic groups in north-west London.
D000293:Adolescent; D044466:Asian People; D044383:Black People; D002648:Child; D003731:Dental Caries / Q000453:epidemiology*; D005006:Ethnicity; D006801:Humans; D008131:London / Q000208:ethnology; D014094:Tooth, Deciduous; D044465:White People