6Panjabi M,Takata K,Goel V K. Kinematics of lumbar intervertebral foramen[J].{H}SPINE,1983.348.
7Inufusa A,An H S,Lim T H. Anatomic changes of the spinal canal and intervertebral foramen associated with flexionextension movement[J].{H}SPINE,1996.2412.
9Verbiest H. Results of surgical treatment of idiopathic development stenosis of the lumbar vertebral canal [J]. Bone Joint Surg(Br),1970, 59: 181.
10Ivanov I, Milenkovic Z, Stefanovic I. Lumbar spinal stenosis. Symptomatology and methods of treatment [J]. Srp A.rh Celok Lek, 1998, 126(11-12): 450-6.