Progressive Multifocal Leukoencephalopathy: Epidemiology, Clinical Manifestations, and Diagnosis
www.UptoDate.com, May, Koralnik, I.J., 2018
Spectrum of Imaging Appearances of Intracranial Cryptococcal Infection in HIV/AIDS Patients in the Anti-Retroviral Therapy Era
Clin Radiol 71:9-17, Offiah, C.E. & Naseer, A., 2016
Central Nervous System Involvement in Whipple Disease
Medicine 92:324-330, Compain, C.,et al, 2013