@article{ref1,
title="The bicycle as a 'risk factor'",
journal="Journal of the Royal College of Physicians of London",
year="1988",
author="Clarke, C.",
volume="22",
number="2",
pages="92-93",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0035-8819",
doi="",
url="http://dx.doi.org/"
}