@article{ref1,
title="Concussion assessment tools - a possible measure of sleepiness?",
journal="Sleep Medicine",
year="2019",
author="Stevens, David and Holtzhausen, Louis and Appleton, Sarah and Adams, Robert",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1389-9457",
doi="10.1016/j.sleep.2019.08.006",
url="http://dx.doi.org/10.1016/j.sleep.2019.08.006"
}