Preservation of cranial nerve function following gamma knife radiosurgery for benign skull base meningiomas: experience of 121 patients with follow up of 5 to 9.8 years. - Eustacchio,S.; Trummer,M.; Fuchs,I.; Schroettner,O.; Sutter,B.; Pendl,G. (Acta Neurochir, 2002)