A 40-year old Woman with Difficulty Going Down Stairs in High-Heeled Shoes
Ann Neurol 77:1-7, Scripko, P.,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