Intracranial Neoplasms and Paraneoplastic Disorders, EpendymomaAdams & Victors Principles of Neurology, Chp 31, pg 655, Ropper, A.H.,et al, 2014
Differential Diagnosis of Bilateral Thalamic LesionsClin Neuroradiol 17:3-22, Linn,J.,et al, 2007