Degenerative Diseases of the Nervous System, Kennedy Syndrome (X-Linked Bulbospinal Muscular Atrophy)
Adams & Victors Principles of Neurology, Chp 39, pg 1119, Ropper, A.H.,et al, 2014
Diagnosing Motor Neurone Disease
BMJ 312:650-651, Chancellor,A.M., 1996