5Carrage E J, Han MY, Suen PW, et al. Clinical outcomes after lumbar discectomy for sciatica : the effects of fragment type and annular competence[ J]. Bone Joint Surg (Am) ,2003,85A( 1 ): 102-109.
6Arnold PM, Baek PN, Bernardi RJ, et al. Surgical management of nontuberculous thoracic and lumbar vertebral osteomyelitls:report of 33 cases [ J ]. Surg Neurol, 1997,47 (6) :551-561.
7Sokolowski MJ, Garvey TA, Perl J 2nd, et al. Postoperative lumbar epidural hematoma: does size really matter [ J ] ? Spine,2008,33 ( 1 ) : 114- 119.
8Suk KS, Lee HM, Mcon SH, et al. Recurrent lumbar disc herniation : resuits of operative management [ J ]. Spine, 2001,26 ( 6 ) : 672-676.
9Papadopoulos EC, Girardi FP, Sandhu HS, et al. Outcome of revision discectomies following recurrent lumbar disc herniation [ J ]. Spine, 2006,31 ( 13 ) : 1473-1476.