@article{ref1,
title="Marijuana-related injury",
journal="Annals of emergency medicine",
year="1999",
author="Braun, B. L. and Sidney, Stephen and Gerberich, Susan Goodwin and Tekawa, I",
volume="33",
number="5",
pages="600-601",
abstract="Abstract unavailable.",
language="",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}