Progressive Multifocal Leukoencephalopathy: Epidemiology, Clinical Manifestations, and Diagnosis
www.UptoDate.com, May, Koralnik, I.J., 2018
Aspergillus Meningitis in Sri Lanka -- A Post-Tsunami Effect?
NEJM 356:754-756, Gunaratne,P.S.,et al, 2007
Two Patients With Unusual Forms of Varicella-Zoster Virus Vasculopathy
NEJM 347:1500-1503, Gilden,D.H.,et al, 2002