Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Progressive Supranuclear Palsy: A Current Review
The Neurologist 14:79-88, Lubarsky,M. &Juncos,J.L., 2008
Clinicopath Conf, Dopamine-Responsive-Dystonia Caused by a Mutation in the GCH1 Gene
NEJM 355:831-839, Case 26-2006, 2006