@inbook{1000099251,
author={Ray L. Watts and David G. Standaert and Jose A. Obeso},
title={II. Parkinsonian States: Akinetic-Rigid Syndromes},
booktitle={Movement Disorders, 3e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2012},
url={accessphysiotherapy.mhmedical.com/content.aspx?aid=1000099251}
}