@article{ref1,
title="Zero tolerance: the future of head injury in sports",
journal="British journal of sports medicine",
year="2013",
author="Aubry, Mark and Dvorak, Jiri and McCrory, Paul and Meeuwisse, Willem and Raftery, Martin and Sills, Allen and Engebretsen, Lars",
volume="47",
number="5",
pages="249-249",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2012-092114",
url="http://dx.doi.org/10.1136/bjsports-2012-092114"
}