@article{ref1,
title="Reports of concussions from youth sports rise along with awareness of the problem",
journal="JAMA journal of the American Medical Association",
year="2010",
author="Mitka, Mike",
volume="304",
number="16",
pages="1775-1776",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0098-7484",
doi="10.1001/jama.2010.1487",
url="http://dx.doi.org/10.1001/jama.2010.1487"
}