Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Degenerative Diseases of the Nervous System, Amyotrophic Lateral Sclerosis
Adams & Victors Principles of Neurology, Chp 39, pg 1109, Ropper, A.H.,et al, 2014
Bent Spine Syndrome
JNNP 60:51-54, Serratrice,G.,et al, 1996