title: Increment of dental caries over two years of fluoridation of domestic salt. A preliminary report.
mesh_terms: D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D005459:Fluorides / Q000627:therapeutic use*; D005503:Food Additives; D006801:Humans; D012965:Sodium Chloride
chemical_list: D005503:Food Additives; D012965:Sodium Chloride; D005459:Fluorides