title: The history of the halo skeletal fixator.
authors.affiliation: Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, MN 55454, USA. odon0111@umn.edu
authors.forename: Patrick W
authors.initials: PW
authors.lastname: O'Donnell
authors.forename: Jack
authors.initials: J
authors.lastname: Anavian
authors.forename: Julie A
authors.initials: JA
authors.lastname: Switzer
authors.forename: Robert A
authors.initials: RA
authors.lastname: Morgan
mesh_terms: D049673:History, 20th Century; D006801:Humans; D009984:Orthopedic Fixation Devices / Q000266:history*; D019637:Orthopedic Procedures / Q000295:instrumentation*; D009985:Orthopedics / Q000266:history; D012886:Skull