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
Imaging Manifestations of Progressive Multifocal Leukoencephalopathy
Clinical Radiol 65:431-439, Shah,R.,et al, 2010