@article{ref1,
title="Statement on bicycle safety and the promotion of bicycle helmet use",
journal="Bulletin of the American College of Surgeons",
year="2014",
author="",
volume="99",
number="9",
pages="45-45",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8045",
doi="",
url="http://dx.doi.org/"
}