@article{ref1,
title="Bicycle accidents - a review of previous studies",
journal="Journal of traffic medicine",
year="1992",
author="Binderup Larsen, L",
volume="20",
number="4",
pages="161-166",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0345-5564",
doi="",
url="http://dx.doi.org/"
}