@article{ref1,
title="Consensus statement on concussion in sport: the 3rd International Conference on Concussion in Sport held in Zurich, November 2008",
journal="Journal of athletic training",
year="2009",
author="McCrory, Paul and Meeuwisse, Willem and Johnston, Kylie and Dvorak, Jiri and Aubry, Mark and Molloy, M. and Cantu, Robert",
volume="44",
number="4",
pages="434-448",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1062-6050",
doi="",
url="http://dx.doi.org/"
}