@article{ref1,
title="Statement in support of motorcycle helmet laws",
journal="Bulletin of the American College of Surgeons",
year="2015",
author="",
volume="100",
number="5",
pages="51-51",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8045",
doi="",
url="http://dx.doi.org/"
}