7Takashid S,Shunji M,Hiroaki K,et al.Recent progress in the study of pathogenesis of ossification of the posterior longitudinal ligament.J Orthop Sci,2005,5(3):310-315.
8Katoh S,Ikata T,Hirai N,et al.Influence of minor trauma to the neck on the neurological outcome in patients with ossification of the posterior longitudinal ligament of the cervical spine.Paraplegia,1995,33 (6):330-333.
9Ogawa Y,Toyama Y,Chiba K,et al.Long-term results of expansive open-door laminoplasty for ossification of file posterior longitudinal ligament of the cervical spine.J Neurosurg Spine,2004,1(2):168-174.
10Fujimura Y,Nakamura M,Toyama Y.Influence of minor trauma on surgical results in patients with cervical OPLL.J Spinal Disord,1998,11 (1):16-20.