@inbook{1205526045, author={C. Warren Olanow and Christine Klein}, editor={Loscalzo, Joseph and Fauci, Anthony and Kasper, Dennis and Hauser, Stephen and Longo, Dan and Jameson, J. Larry}, title={Tremor, Chorea, and Other Movement Disorders}, booktitle={Harrison's Principles of Internal Medicine, 21e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2022}, url={accessmedicine.mhmedical.com/content.aspx?aid=1205526045} }