Viral Infections of the Nervous System, Chronic Meningitis, and Prior Diseases, Progressive Multifocal Leukoencephalopathy
Adams & Victors Principles of Neurology, Chp 33, pg 767, Ropper, A.H.,et al, 2014
Acquired Immune Deficiency Syndrome & Multiple Tract Degeneration in a Homosexual Man
Ann Neurol 15:502-505, Horoupian,D.S.,et al, 1984