Degenerative Diseases of the Nervous System, Amyotrophic Lateral Sclerosis
Adams & Victors Principles of Neurology, Chp 39, pg 1109, Ropper, A.H.,et al, 2014
Atypical Alzheimer's Disease with Spastic Paresis & Ataxia
Ann Neurol 17:297-300, Aikawa,H.,et al, 1985