@article{ref1,
title="National Highway Traffic Safety Administration (NHTSA) notes. PIER: Public information, education, and relations for EMS injury prevention modules",
journal="Annals of emergency medicine",
year="2004",
author="Thoma, Todd and Vaca, Federico E.",
volume="43",
number="4",
pages="521-524",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="10.1016/S0196064404000022",
url="http://dx.doi.org/10.1016/S0196064404000022"
}