@article{ref1,
title="Motorcycle and bicycle accidents",
journal="British medical journal: BMJ",
year="1979",
author="Watson, K. J.",
volume="1",
number="6162",
pages="549-549",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}