10Epstein NE. Circumferential surgery for the management of cervical ossification of the posterior longitudinal ligament. J Spinal Disord, 1998, 11(3) : 200 -207.
5Fujibayashi S,Shikata J,Yoshitomi H,etal.Bilateral phrenic nerve palsy as a complication of anterior decompression and fusion forcervical ossification of the posterior longitudinal ligament[J].Spine.2001,26(12):281-286.