Focal Tectal Tumors:Management and PrognosisNeurol 44:953-956, Squires,L.A.,et al, 1994
Central Nervous System Germinomas, A ReviewArch Neurol 48:652-657, Horowitz,M.B.&Hall,W.A., 1991
Pineal TumorsArch Neurol 35:736-740, Donat,J.F.,et al, 1978