Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Parkinsons Disease
Lancet 373:2055-2066, Lees,A.J.,et al, 2009
Invited Article: Changing Concepts in Parkinson Disease: Moving Beyond the Decade of the Brain
Neurol 70:1996-2003, Marras,C. &Lang,A., 2008
Progressive Supranuclear Palsy:Clinical Features & Response to Treatment in 16 Patients
Ann Neurol 13:273-278, Jackson,J.A.,et al, 1983