Orthostatic Tremor
Neurol 86:458-464, Hassan, A.,et al, 2016
The Relationship of Essential Tremor to Other Movement Disorders:Report on 678 Patients
Ann Neurol 35, 717-7231994., Koller,W.C.,et al, 1994
Essential Tremor:Clinical Correlates in 350 Patients
Neurol 41:234-238, Lou,J.&Jankovic,J., 1991