6Sekhar LN, Yenas H, Wright DC, et al. Cranial base approaches to in tracranial aneurysms in the subarachnoid space. Neurosurg, 1994,35:472～ 477.
7AL - mefty O. Petrosal approach to clival tumors. In: Sekhar LN,Janecka IP. eds. Surgery of cranial base tumors. New York: Kaven Press, 1993. 307 ～315.
