@article{ref1,
title="Sleep deprivation and driving",
journal="Veterinary record",
year="2001",
author="Hopper, D. W.",
volume="149",
number="25",
pages="780-780",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-4900",
doi="",
url="http://dx.doi.org/"
}