@article{ref1,
title="Towards an operational definition of sports concussion: identifying a limitation in the 2012 Zurich consensus statement and suggesting solutions",
journal="British journal of sports medicine",
year="2014",
author="Quarrie, Kenneth Lincoln and Murphy, Ian Robert",
volume="48",
number="22",
pages="1589-1591",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2014-094112",
url="http://dx.doi.org/10.1136/bjsports-2014-094112"
}