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 parkinsonism, mood depression, and weight loss
Neurol 90:572-575, Frattini, E.,et al, 2018