4Denis F. Spinal instability as defined by the three - column spine conceptin acute spinal trauma. 1984,189 : 65.
5Frankel H L. The value of postural recuction in the initial management of clesed injuries of the spine with paraplegia and tetraplegia. Part J .Paraplegia, 1969,7:179 - 192.
6Boucher H H. Amethocl of spine fusion. J Bone Joint Surg (Br),1959,41:248 - 259.
7Roy- Camile R, Saillant G, Mazel C. Internal fixation of the lumber spine with pedicle screw plating,clin of thop 1986,203:7 - 17.
8Boos N, Webb JK. Pedicle Screw fixation in spinal disorders : a European view.Fur spine J,1997,6:2 - 18.
9Yuan HA, Garfin SR, Dickman CA, et al. A historical cohort study of pedicle screw fixation in thoracic, lumbar and sacral spinal fusions.Spine, 1994,19(20) ,2279 - 2296.
10Mermelstein LE, Mclain RF, Yerby SA. Rein - forcement of thoracolumbar, burst fractures -ith calciam phosphate, Cement. A biomechanical study.Spine, 1998,23:664 - 670.
