@article{ref1,
title="The effects of alcohol and marijuana in combination: A review",
journal="Alcohol, drugs and driving",
year="1986",
author="Chesher, G. B.",
volume="2",
number="3-4",
pages="105-119",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0891-7086",
doi="",
url="http://dx.doi.org/"
}