Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Parkin Disease
JAMA Neurol 70:571-579, Doherty, K.,et al, 2013
Drug Therapy of Parkinsonism
NEJM 295:814, Bianchine,J.R., 1976