Spinal Stroke Syndromes, In Stroke Syndromes, Bougousalsky and Caplan
Chp. 54:691-704, 2nd ed, Sturzenegger, M, 2001
Intracranial Neoplasms and Paraneoplastic Disorders, Intravascular Lymphoma
Adams & Victors Principles of Neurology, Chp 31, pg 663, Ropper, A.H.,et al, 2014