title: "Thank you Grand Rapids" honors landmark fluoridation project, NIDR 40th anniversary.
mesh_terms: D003731:Dental Caries / Q000517:prevention & control*; D005457:Fluoridation / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D009316:National Institutes of Health (U.S.); D014481:United States