Progressive Multifocal Leukoencephalopathy: Epidemiology, Clinical Manifestations, and Diagnosis
www.UptoDate.com, May, Koralnik, I.J., 2018
Neurologic Complications of the Reactivation of Varicella-Zoster Virus
NEJM 342:635-645, Gilden,D.H.,et al, 2000
Neurologic Complications of Systemic Cancer
In Neurologic Clinics 3:729-750, Patchell,R.A.&Posner,J.B., 1985