@article{ref1,
title="'Levis' jeans and motorcycle knee injuries",
journal="Injury",
year="1991",
author="Casserly, H. B.",
volume="22",
number="5",
pages="422-423",
abstract="Abstract unavailable.",
language="",
issn="0020-1383",
doi="",
url="http://dx.doi.org/"
}