@article{ref1,
title="Crash Injury Research and Engineering Network (CIREN): an update",
journal="Annals of emergency medicine",
year="2001",
author="National Highway Traffic Safety Administration, USA, ",
volume="38",
number="2",
pages="181-182",
abstract="Abstract unavailable.",
language="",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}