@article{ref1,
title="Tackling concussions in sports",
journal="Neurosurgery",
year="2003",
author="Tagliabue, Paul",
volume="53",
number="4",
pages="796-796",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0148-396X",
doi="",
url="http://dx.doi.org/"
}