1. Ependymomas: A clinical survey;Barone;J. Neurosurg.,1970
2. Tumours of the central nervous system;Bloom,1975
3. Maximum utilization of the life table method in analyzing survival;Cutler;J. Chronic Dis.,1958
4. Intrathecal radiogold for medulloblastoma and ependymoblastoma: Survival rate and complications;D'Angio,1975
5. Relationship of biological effect to dose-time-fractionation factors in radiotherapy;Ellis,1968