2Black P M, Loeffler J S, Cancer of the nervous system [M]. Massachusetts : Blackwell Science, 1997 : 363-402.
3Alfieri A. Endoscopic endonasal transsphenoidal approach to the sellar region: technical evolution of the methodology and refinement of a dedicated instrumentation [J]. J Neurosurg Sci, 1999, 43(2) : 85-88.
4Ciric I, Rosenblatt S, Zhao J C. Transsphenoidal microsurgery [J]. Neurosurgery, 2002, 51(1) : 161-169.
5Ciric I, Ragin A, Baumgartner C, et al. Complication of transsphenoidal surgery: Results of national survey, review of literature, and personal experience [J]. Neurosurgery, 1997, 40 (2) : 225-227.