title: Dr. Ray Stevens: dentist, photographer, fluoridation pioneer.
authors.forename: Franziska
authors.initials: F
authors.lastname: Schoenfeld
mesh_terms: D003815:Dentists; D005457:Fluoridation / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008824:Michigan; D010781:Photography