@article{ref1,
title="Head injury: bicyclist",
journal="Medicine and science in sports and exercise",
year="2014",
author="Murphy, Gregory",
volume="46",
number="5",
pages="867-867",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0195-9131",
doi="",
url="http://dx.doi.org/"
}