title: Simeon Hayden Guilford (1841-1919).
authors.forename: M B
authors.initials: MB
authors.lastname: Asbell
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008310:Malocclusion / Q000145:classification / Q000266:history; D009970:Orthodontics / Q000266:history*; D010414:Pennsylvania