@article{ref1,
title="Because not all blows to the head are the same",
journal="British journal of sports medicine",
year="2015",
author="Falvey, É C. and McCrory, P.",
volume="49",
number="17",
pages="1091-1093",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2015-095170",
url="http://dx.doi.org/10.1136/bjsports-2015-095170"
}