Spinal Muscular Atrophy
UpToDate, Oct, Bodamer,O.A., 2022
Degenerative Diseases of the Nervous System, Progressive Bulbar Palsy
Adams & Victors Principles of Neurology, Chp 39, pg 1111, Ropper, A.H.,et al, 2014
Clinical Features and Associations of 560 Cases of Motor Neuron Disease
JNNP 53:1043-1045, Li,T.,et al, 1990