1. 1. 阿部 弘: 大後頭孔周辺の腫瘍の手術. 脳神経外科 11: 353-358, 1983
2. 2. Bhangoo RS, Crockard HA: Surgical approaches to the craniovertebral junction (C1-C2) in Robertson JT, Coakham HB, Robertson JH (eds): Cranial Base Surgery, London, Churchill Livingstone, 2000, pp283-294
3. 3. Crockard HA: The transoral approach to the base of the brain and upper cervical cord. Ann R Coll Surg Engl 67: 321-325, 1985
4. 4. Hadley MN, Spetzler RF, Sonntag VKH: The transoral approach to the superior cervical spine. J Neurosurg 71: 16-23, 1989
5. 5. 端 和夫, 白馬 明, 生野弘道, 他: 経口的斜台切除による脳底動脈瘤の経験. 脳外 4: 183-189, 1976