title: Relationship between lesions of enamel focal demineralization and caries in groups of Finnish and Russian children.
mesh_terms: D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D005387:Finland; D006801:Humans; D007180:Incisor / Q000473:pathology; D008297:Male; D008963:Molar / Q000473:pathology; D014586:USSR