@article{ref1,
title="Motor vehicle collision in relation to the proximity of electronic billboard in a large urban setting [conference abstract #424 ]",
journal="Annals of emergency medicine",
year="2011",
author="Cooper, S. and Chakravarthy, B. and Anderson, Craig Lewis and Hata, S. and Ferrer, C. and Lotfipour, S.",
volume="58",
number="4",
pages="S322-S322",
abstract="[The publisher has not provided an abstract for this article.]<p />",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}