@article{ref1,
title="Current issues in managing sports-related concussion",
journal="JAMA journal of the American Medical Association",
year="1999",
author="Collins, M. W. and Lovell, M. R. and McKeag, D. B.",
volume="282",
number="24",
pages="2283-2285",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}