5Komori H, Shinomiya K, Nakai O, et al. The natural history of herniated nucleus pulposus with radiculopathy [ J ]. Spine, 1996, 21 (2) :225 -229.
6Kim KY, Kim YT, Lee CS, et al. Magnetic resonance imaging in the evaluation of the lumbar herniated intervertebral disk[ J ]. Int Orthop, 1993,17 (4) :241 - 244.