Degenerative Diseases of the Nervous System, Amyotrophic Lateral Sclerosis
Adams & Victors Principles of Neurology, Chp 39, pg 1109, Ropper, A.H.,et al, 2014
Amyotrophic Lateral Sclerosis:Part 1. Clinical Features, Pathology, & Ethical Issues in Management
Ann Neurol 18:271-280, Tandan,R.,et al, 1985