@inbook{55798004,
author={Rajesh Pahwa and Kelly E. Lyons},
editor={Watts, Ray L. and Standaert, David G. and Obeso, Jose A.},
title={Chapter 25. Essential Tremor},
booktitle={Movement Disorders, 3e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessphysiotherapy.mhmedical.com/content.aspx?aid=55798004}
}