6Steiner L, Lindguist N, Steiner M. Advances and techniques in neurosurgery [M]. New York: Springer Verlag Wen, 1992: 19-77.
7Valentino V, Schinaia G, Raimondi AJ. et al. The results of radiosurgical management of 72 middle fossa meningiomas [J]. Acta Neurochir (wien). 1993, 122(1-2): 60-70.
8Ganz JC, Smievoll Al, Thorsen F. Radiosurgical treatment of gliomas of the diencephalon [J]. Acta Neurochir Suppl(Wien), 1994, 62: 62-66.