[Dental caries survey among 16,363 nursery children and school pupils in Sian (author's transl)].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002681:China; D003731:Dental Caries / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors