Long-Term Outcomes Among Adult Survivors of Childhood Central Nervous System Malignancies in the Childhood Cancer Survivor Study
J Natl Cancer Inst 101:946-958, Armstrong,G.T.,et al, 2009
Ependymomas of the Posterior Cranial Fossa:CT and MRI Findings
Neuroradiology 37:238-243, Tortori-Donati,P.,et al, 1995