@article{ref1,
title="Statement on bicycle safety and the promotion of bicycle helmet use",
journal="Bulletin of the American College of Surgeons",
year="2002",
author="",
volume="87",
number="2",
pages="30-31",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8045",
doi="",
url="http://dx.doi.org/"
}