@inbook{56211357, author={Joseph N. Rudolph, MD and Ruth H. Walker, MB, ChB, PhD}, editor={McKean, Sylvia C. and Ross, John J. and Dressler, Daniel D. and Brotman, Daniel J. and Ginsberg, Jeffrey S.}, title={Chapter 211. Parkinson Disease and Related Disorders}, booktitle={Principles and Practice of Hospital Medicine}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessmedicine.mhmedical.com/content.aspx?aid=56211357} }