@inbook{55792018, author={Mart Saarma and Päivi Lindholm and Urmas Arumäe}, editor={Watts, Ray L. and Standaert, David G. and Obeso, Jose A.}, title={Chapter 7. Neurotrophic Factors}, booktitle={Movement Disorders, 3e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={neurology.mhmedical.com/content.aspx?aid=55792018} }