@article{ref1,
title="Ice hockey concussion rates: a case for playing by the rules",
journal="Current sports medicine reports",
year="2011",
author="Roberts, William O.",
volume="10",
number="1",
pages="1-1",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1537-890X",
doi="10.1249/JSR.0b013e3182064072",
url="http://dx.doi.org/10.1249/JSR.0b013e3182064072"
}