Degenerative Diseases of the Nervous System, Amyotrophic Lateral Sclerosis
Adams & Victors Principles of Neurology, Chp 39, pg 1109, Ropper, A.H.,et al, 2014
Clinicopath Conf, Multiple-System Atrophy
NEJM 351:912-921, Case 27-2004, 2004
Idiopathic Hemiparetic Parkinsonism, A Syndrome Distinct from Idiopathic Parkinsonism
Lancet 339:149-150, DeKeyser,J.,et al, 1992