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
JC Virus Infection of the Brain
AJNR 31:1564-1576, Bag,A.K.,et al, 2010