@inbook{1159833148, author={Joel Stein and Nasim Chowdhury}, editor={Mitra, Raj}, title={Spasticity and Contractures}, booktitle={Principles of Rehabilitation Medicine}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessmedicine.mhmedical.com/content.aspx?aid=1159833148} }