title: Water fluoridation in Philadelphia reduced tooth decay among school-children by 49.6% in 31 years.
authors: A B
authors: AB
authors: Costa
mesh_terms: D000293:Adolescent; D002648:Child; D003731:Dental Caries / Q000453:epidemiology* / Q000517:prevention & control; D005457:Fluoridation; D006801:Humans; D015143:Philadelphia