@inbook{1188372155, author={Chad Starkey and Sara D. Brown}, title={Patellofemoral Pathologies}, booktitle={Examination of Orthopedic & Athletic Injuries, 4e}, publisher={F. A. Davis Company}, address={New York, NY}, year={2015}, url={fadavisat.mhmedical.com/content.aspx?aid=1188372155} }