@article{ref1,
title="Bull-riding injuries",
journal="Annals of emergency medicine",
year="1998",
author="Brandenburg, Mark A. and Schmidt, A. and Mallonee, Sue",
volume="32",
number="1",
pages="118-118",
abstract="Abstract unavailable",
language="",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}