A 56-year-old Man with Cognitive Impairment and Difficulty Tying his Necktie
Neurol 85:e116-e122, Baker, J.M.,et al, 2015
Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014