Progressive Multifocal Leukoencephalopathy: Epidemiology, Clinical Manifestations, and Diagnosis
www.UptoDate.com, May, Koralnik, I.J., 2018
Neurosacrcoidosis: Presentations and Management
Neurologist 16:2-15, Terushkin,V.,et al, 2010
Thrombosis of the Cerebral VEins and Sinuses
NEJM 352:1791-1798, Stam,J., 2005