title: A call to honor: a tribute to Dr. Witzig.
authors.forename: Terrance J
authors.initials: TJ
authors.lastname: Spahl
mesh_terms: D003812:Dentist-Patient Relations; D004497:Education, Dental / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D016382:Orthodontic Appliance Design / Q000266:history; D009970:Orthodontics / Q000266:history* / Q000639:trends; D014481:United States