@article{ref1,
title="FATAL bicycle accidents in the United States",
journal="Journal of the American Medical Association",
year="1953",
author="",
volume="152",
number="10",
pages="923-923",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9955",
doi="",
url="http://dx.doi.org/"
}