Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Diagnostic Criteria for Parkinson Disease
Arch Neurol 56:33-39, Gelb,D.J.,et al, 1999
Antemortem Diagnosis of Diffuse Lewy Body Disease
Neurol 40:1523-1528, Crystal,H.A.,et al, 1990