3Hironobu S, Nobom H, Yoshihiro M. Long-term outcome of lamin- oplasty for cervical myelopathy due to disc hemiation a comparative study of laminoplasty and anterior spinal fusion [ J ]. Spine, 2005, 30(7) :756-759.
4Chae KH, Ju CI, Lee SM, et al. Strategies for noncontained lumbar disc herniation by an endoscopic approach: transforaminal suprape- dicular approach, semi-rigid flexible curved probe, and 3-dimensional reconstruction CT with discogram [ J ]. J Korean Neurosurg Soc, 2009,46(4) :312-316.