@article{ref1,
title="Hamstring injuries: risk factors, treatment, and rehabilitation",
journal="Journal of bone and joint surgery: American volume",
year="2019",
author="Heer, Steven T. and Callander, John W. and Kraeutler, Matthew J. and Mei-Dan, Omer and Mulcahey, Mary K.",
volume="101",
number="9",
pages="843-853",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0021-9355",
doi="10.2106/JBJS.18.00261",
url="http://dx.doi.org/10.2106/JBJS.18.00261"
}