6Hwang SL, Lee KS, Su YF, et al. Anterior corpectomy with iliac bone fusion or discectomy with interbody titanium cage fusion for multilevel cervical degenemted disc disease [ J ]. J Spinal Disord Tech, 2007,20(8) :565-570.
7Singh K, Vaccaro AR, Kim J, et al. Enhancement of stability fol- lowing anterior cervical eorpectomy: a Biomechanical Study [ J ]. Spine, 2004,29(8) :845-849.