4Denis F,Davis S,Confort T.Sacral fracture:an important problem.Retrospective analysis of 236 cases.Clin Orthop,1988,(227):67-81.
5Gibbons KJ,Soloniuk DS,Razack N.Neurological injury and patterns of sacral fractures.J Neurosurg,1990,72:889-893.
6Sabiston CP,Wing PC.Sacral fracture:classification and neurologic implications.J Trauma,1986,26:1113-1115.
7Gunterberh B.Effects of major resection of the sacrum.Clinical studies on urogenital and anorectal function and a biomechanical study on pelvic strength.Acta Orthop Scand,1976,162:1-38.