2O'BRIEN M F, PETERSON D, CASEY A T, et al. A novel technique for laminoplasty augmentation of spinal canal area u- sing titanium miniplate stabilization. A computerized morphomet- ric analysis[J]. Spine(Phila Pa 1976),1996,21(4):474-484.
3HIRABAYASHI K, MIYAKAWA J, SATOMI K, et al. Opera- tive results and postoperative progression of ossification among patients with ossification of cervical posterior longitudinal liga- ment[ J]. Spine( Phila Pa 1976) ,1981,6(4) :354-364.
4ISHIHARA A. Roentgenographic studies on the mobility of the cervical column in the sagittal plane [ J ]. Nippon Seikeigeka Gakkai Zasshi, 1968,42 ( 11 ) : 1045-1056.
5ZHANG P, SHEN Y, ZHANG Y Z, et al. Preserving the C7 spinous process in laminectomy combined with lateral mass screw to prevent axial symptom [ J ]. J Orthop Sci, 2011,16 (5) :492-497.
