4[4]Parke W. Anatomy of the spinal nerve and its surronding structures. Semin Orthop, 1991,6:65 71.
5[5]Kunogi J, Hasure M. Diognosis, operative treatment of intraforamihal, extraforaminal nerve root compression. Spine, 1991, 16: 1312-20.
6[6]Burton R, Kirkaldy-Willis W, Yong-Hing K, et al. Causes of failureof surgery on the lumbar spine. Clin Orthop, 1981,157:19l-7.
7[7]Stephens M, Evans J, O' brien J. Lumbar intervertebral forarmens:Anin vitro study of their shape in relation to intervertebral disc patholo-gy. Spine, 1991,16:525-9.
8[8]Nowicki B. Haughton V. Neural foraminal ligaments of the lumbarspine: Appearance at CT and .MR imaging. Radiology, 1992, 183:257-64.
9[9]Hasegawa t, Mikawa Y, Watanabe R, et al. Morphometric analysis ofthe lumbosacral nerve roots and dorsal root ganglia by magnetic resonance imaging. Spine, 1996,21:1005 9.
10[10]Kikuchi S, Sato K, Korno S, et al. Anatomic, radiographic study of dorsal root ganglia. Spine, 1994,19: 6-11.
4Fujiwara A, An HS, Lim TH, et al. Morphologic changes in the lumbar intervertebral foramen due to flexion - extens, ionlateral bending and axialrotation an in vitro anatomicand biomechanical study. Spine, 2001, 26:876
5Hasegawa T, An S, Haughton VM, et al. Lumbar foraminal stenosis criticalheights of the intervertebrail disc send foramina. J Bone Joint Surg(Am), 1995,77:32
6Hasegawa T, Mikawa Y, Watanabe R, et al. Morphometrie analysis of the lumbosacral nerve roots and dorsal root ganglia by magnetic resonance imaging. Spine, 1996, 21:1005
7Qian Y, Fan SW, Gu CL, et al. Ligaments within low morphologic analysis of the lumbar neural foramina. Chin J Orthop, 2003, 23 : 761
8Peter FG, Jennifer BM, Steven RG. Anatomic and biomechanical analysis of the lower lumbar foraminal ligaments. Spine,2000,25:2009
9Cinotti G, Santis PD, Nofroni J, et al. Stenosis of lumbar intervertebral foramen anatomic study on predisposing factors. Spine, 2002,27 : 223
10Fay L,Kao H,Edwards W,et al.The assementt of computed tomogrphy of neuroforaminal stenosis. Transactions . 1993