@article{ref1,
title="U.S. auto injuries",
journal="Group practice journal",
year="1990",
author="Petrucelli, E.",
volume="39",
number="5",
pages="56, 58-60",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0199-5103",
doi="",
url="http://dx.doi.org/"
}