Oculomotor Abnormalities in Parkinson's Disease
Arch Neurol 36:360-364, Shibasaki,H.,et al, 1979
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
Poliomyelitis & Parkinsonism
NEJM 298:688, Vincent,F.M.,et al, 1978