1) Isu T, et al. The surgical technique of anterior cervical fusion using bone grafts obtained from cervical vertebral bodies. J Neurosurg 1994 ; 80 : 16-19.
2) Isu T, et al. Foramen magnum decompression with removal of the outer layer of the dura as treatment for syringomyelia occurring with Chiari I malformation. Neurosurgery 1993 ; 33 (4) : 849-850.