@article{ref1,
title="Significance and management of concussion in sports-related head injuries",
journal="No Shinkei Geka",
year="2014",
author="Nagahiro, Shinji",
volume="42",
number="5",
pages="409-418",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0301-2603",
doi="",
url="http://dx.doi.org/"
}