Degenerative Diseases of the Nervous System, Parkinson Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1082, Ropper, A.H.,et al, 2014
Rest Tremor in Patients with Essential Tremor
Arch Neurol 60:405-410, Cohen,O.,et al, 2003
Classification and Treatment of Tremor
JAMA 266:1115-1117, Hallett,M., 1991