Dystonia
NEJM 355:818-829, Tarsy,D. &Simon,D.K., 2006
Degenerative Diseases of the Nervous System, Dystonia Musculorum Deformans
Adams & Victors Principles of Neurology, Chp 39, pg 1099, Ropper, A.H.,et al, 2014
Clinical Aspects of Spasmodic Dysphonia
JNNP 41:361, Aminoff,M.J.,et al, 1978
Catecholamines & Neurologic Diseases
NEJM 293:274, Moskowitz,M.A.,et al, 1975