@article{ref1,
title="Epidemiology of road accidents involving marijuana",
journal="Alcohol, drugs and driving",
year="1986",
author="Simpson, Herb M.",
volume="2",
number="3-4",
pages="15-30",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0891-7086",
doi="",
url="http://dx.doi.org/"
}