@article{ref1,
title="Sleep and motor vehicle crash risk",
journal="Journal of emergency nursing",
year="2009",
author="Heaton, Karen",
volume="35",
number="4",
pages="363-365",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0099-1767",
doi="10.1016/j.jen.2009.02.012",
url="http://dx.doi.org/10.1016/j.jen.2009.02.012"
}