4Bridwell KH, Dewald RL ed. The textbook of spinal surgery. 2nd ed. Philadelphia: Lippincost Raven, 1997. 1503- 1545.
5Bridwell KH, Lewis SJ, Rinella AR, et al. Pedicle subtraction osteotomy for the treatment of fixed sagittal imbalance. J Bone Joint Surg (Am), 2004,86 Suppl 1:44-50.
6Potter BK, Lenke LG, Kuklo TR. Prevention and management of iatrogenic flatback deformity. J Bone Joint Surg (Am), 2004, 86(8) : 1793-1808.
7Thomasen E. Vertebral osteotomy for correction of kyphosis in ankylosing spondylitis. Clin Orthop Relat Res, 1985, (194) : 142-152.
8Jaffray D, Becker V, Eisenstein S. Closing wedge osteotomy with transpedicular fixation in ankylosing spondylitis. Clin Orthop Relat Res,1992,(279) :122-126.
9Wu SS, Hw SY, Lin LC, et al. Management of rigid posttraumatic kyphosis. Spine,1996,21(19):2260-2266.
10Murrey DB, Brigham CD, Kiebzak GM, et al. Transpedicular decompression and pedicle subtraction osteotomy ( eggshell procedure): a retrospective review of 59 patients. Spine,2002,27(21):2338-2345.
