@inbook{55795659, author={Murat Emre and Haşmet A. Hanağasl and David J. Burn}, editor={Watts, Ray L. and Standaert, David G. and Obeso, Jose A.}, title={Chapter 18. Parkinson's Disease Dementia: Features and Management}, booktitle={Movement Disorders, 3e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=55795659} }