@inbook{1121518347,
author={Kelly P. O'Keefe and Tracy G. Sanson},
editor={Tintinalli, Judith E. and Stapczynski, J. Stephan and Ma, O. John and Yealy, Donald M. and Meckler, Garth D. and Cline, David M.},
title={Hip and Knee Pain},
booktitle={Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2016},
url={accessemergencymedicine.mhmedical.com/content.aspx?aid=1121518347}
}