Focal Tectal Tumors:Management and Prognosis
Neurol 44:953-956, Squires,L.A.,et al, 1994
Central Nervous System Germinomas, A Review
Arch Neurol 48:652-657, Horowitz,M.B.&Hall,W.A., 1991
Adult Brainstem Gliomas
Neurol 51:1136-1139, Landolfi,J.C.,et al, 1998