6[1]Parke WW. Correlative anatomy of cervical spondylotic myelopathy[J]. Spine, 1998,13:831-837.
7[2]Matsuda Y, Miyazaki K, Tada K, et al. Increased MR signal intensity due to cervical myelopathy, Analysis of 29 surgical cases[J]. J Nedurosurg, 1991,74:887-892.
8[3]Wada E, Ohmura M, Yonenobu K. Intramedullary changes of the spine cord in cervical spondylotic myelopathy[J]. Spine, 1995,20:2226-2232.
9[4]Ogino H, Tada K, Okada K, et al. Canal diameter, anteroposterior compression ratio, and spondylotic myelopathy of the cervical spine[J]. Spine, 1983,8:1-15.
10[5]Fujiwara K, Yonenobu K, Hiroshima K. Morphometry of the cervical spinal cord and its relation to pathology in cases with compression myelopathy[J]. Spine, 1988,13:1212-1216.