title: A 3-year study among Yugoslavian schoolchildren on caries reduction after topical application of 4% NaF-PO4.
mesh_terms: D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D005260:Female; D005460:Fluorides, Topical / Q000008:administration & dosage / Q000627:therapeutic use*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012571:School Dentistry; D014078:Tooth Eruption; D015022:Yugoslavia
chemical_list: D005460:Fluorides, Topical