Degenerative Diseases of the Nervous System, Kugelberg-Welander Syndrome SMAIII
Adams & Victors Principles of Neurology, Chp 39, pg 1118, Ropper, A.H.,et al, 2014
Clinicopath Conf
Progressive Muscular Atrophy, Case 36-1995, NEJM 333:1406-1412995., , 1995