Progressive Camptocormia with Head Drop and Dysphagia
JAMA Neurol 80:209-210, El-Wahsh,S., et al, 2023
Degenerative Diseases of the Nervous System, Amyotrophic Lateral Sclerosis
Adams & Victors Principles of Neurology, Chp 39, pg 1109, Ropper, A.H.,et al, 2014