title: Letter: A fluoride mouthrinsing scheme in Portsmouth.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000517:prevention & control*; D004739:England; D005459:Fluorides / Q000627:therapeutic use*; D006801:Humans; D009067:Mouthwashes / Q000627:therapeutic use*
chemical_list: D009067:Mouthwashes; D005459:Fluorides