title: Legalizing chiropractic by initiative petition and referendum, 1918-1922.
authors.forename: R B
authors.initials: RB
authors.lastname: Jackson
mesh_terms: D002684:Chiropractic / Q000266:history*; D049711:History, Modern 1601-; D008004:Licensure / Q000266:history*; D014481:United States