@article{ref1,
title="Video analysis of anterior cruciate ligament tears in professional American football athletes: letter to the editor",
journal="American journal of sports medicine",
year="2018",
author="Cooper, Daniel E.",
volume="46",
number="14",
pages="NP73-NP73",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0363-5465",
doi="10.1177/0363546518806857",
url="http://dx.doi.org/10.1177/0363546518806857"
}