3Foley KT, Gupta SK. Percutaneous pedicle screw fixation of the lumbar spine: preliminary clinical results. J Neurosurg,2002,97( 1 Suppl) :7-12.
4Gaines RW. The use of pedicle-screw internal fixation for the operative treatment of spinal disorders. J Bone Joint Surg Am,2000, 82 (10) : 1468 - 1476.
5Gertzbein SD. Spine update: classification of thoracic and lumbar fractures. Spine, 1994,19(5 ) :626-628.
6Foley KT, Gupta SK. Pereutaneous pedide screwrod fixation of the lumbar spine. Neurological Surgeons, 2001,49(2) :536-537.
7[1]Frankel HL.The value of postared reduction in the initial management of closed injuries of spine with paraplegia and tetraplegia.Paraplegia,1969.7:171.
