@article{ref1,
title="Cannabis and alcohol in traffic",
journal="Blutalkohol",
year="1987",
author="Daldrup, T. and Reudenbach, G. and Kimm, Kuchan",
volume="24",
number="2",
pages="144-156",
abstract="<p>[Abstract unavailable]  Keywords: Cannabis impaired driving; Ethanol impaired driving </p> <p>Language: de</p>",
language="de",
issn="0006-5250",
doi="",
url="http://dx.doi.org/"
}