Viral Infections of the Nervous System, Chronic Meningitis, and Prior Diseases, Encephalitis Lethargica (non Economo Disease, sleeping sickness)
Adams & Victors Principles of Neurology, Chp 33, pg 768, Ropper, A.H.,et al, 2014
Bilateral Substantia Nigra Changes on MRI in a Patient with Encephalitis Lethargica
Neurol 53:1860-1862, Kun,L.N.,et al, 1999