1Hirabayashi K. Miyakawa J, Satomi K, et al. Operative results and post operative progression of ossification among patients with ossification of cervical posterior longitudinal ligament. Spine, 1981,6(4): 354-364.
2DICKMAN C A,PAPADOPOULOS S M,SONNTAG V K,et al.Traumatic occipitoatlantal dislocations[J].J Spinal Dis,1993,6(4):300-313.
3TINS B J,CASSAR-PULLICINO V N.Imaging of acute cervical spine injuries:review and outlook[J].Clin Radiol,2004,59(10):865 -880.