@article{ref1,
title="Polydrug effects and traffic safety",
journal="Alcohol, drugs and driving",
year="1985",
author="Simpson, H.",
volume="1",
number="1-2",
pages="17-44",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0891-7086",
doi="",
url="http://dx.doi.org/"
}