Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
A 75-Year-Old Man With Cognitive Impairment and Gait Changes, Lewy Body Disease
Neurol 69:1183-1189, Lippa,C.F.,et al, 2007