@article{ref1,
title="Passenger vehicle occupant fatalities by day and night--a contrast",
journal="Annals of emergency medicine",
year="2008",
author="Thoma, Todd",
volume="51",
number="4",
pages="443-445",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="10.1016/j.annemergmed.2008.02.005",
url="http://dx.doi.org/10.1016/j.annemergmed.2008.02.005"
}