1. Judicial hanging;Lancet,1913
2. Traumatic spondylolisthesis of the axis;Cornish;J. Bone Joint Surg.,1968
3. Axis pedicle fractures;Delorme;J. Bone Joint Surg.,1967
4. Tetraplegia from hangman's fracture: report of a case with recovery;Edgar;Injury,1972
5. Roentgenographs diagnosis of the injured neck;Fielding;A.A.O.S. Instructional Course Lecture,1976