1. Sacral fractures and injuries to the cauda equina;Bonnin;J Bone Joint Surg,1945
2. Fracture-dislocation of the sacrum. Report of three cases;Bucknill;J Bone Joint Surg Br,1976
3. Spinal instability as defined by the three-column spine concept in acute spinal trauma;Denis;Clin Orthop,1984
4. Sacral fractures: an important problem. Retrospective analysis of 236 cases;Denis;Clin Orthop,1988
5. Fracture-dislocation of the lumbo-sacral spine and cauda equina lesion. Report of two cases;Dewey;J Bone Joint Surg Br,1968