@article{ref1,
title="Alberta rodeo riders do not develop late whiplash",
journal="Journal of rheumatology",
year="2007",
author="Centeno, Christopher and Freeman, Michael D.",
volume="34",
number="2",
pages="451-2; author reply 452",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0315-162X",
doi="",
url="http://dx.doi.org/"
}