title: Acidulated phosphate fluoride--3 1/2 years clinical trial on the prevention of dental caries.
authors.forename: A
authors.initials: A
authors.lastname: Tewari
authors.forename: H S
authors.initials: HS
authors.lastname: Chawla
authors.forename: N S
authors.initials: NS
authors.lastname: Gopalakrishnan
mesh_terms: D000149:Acidulated Phosphate Fluoride / Q000627:therapeutic use*; D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000473:pathology / Q000517:prevention & control*; D006801:Humans; D012969:Sodium Fluoride / Q000031:analogs & derivatives*; D014070:Tooth / Q000473:pathology
chemical_list: D000149:Acidulated Phosphate Fluoride; D012969:Sodium Fluoride