title: The retention of Class II cases -- the staple and hook sectional retainer. 1908.
authors.forename: William G
authors.initials: WG
authors.lastname: Law
mesh_terms: D049673:History, 20th Century; D006801:Humans; D008312:Malocclusion, Angle Class II / Q000266:history* / Q000628:therapy; D052280:Orthodontic Anchorage Procedures / Q000266:history; D016382:Orthodontic Appliance Design / Q000266:history; D018704:Orthodontic Retainers / Q000266:history*; D055502:Secondary Prevention