@article{ref1,
title="Driving under the influence of other drugs than alcohol in Norway",
journal="Acta medicinae legalis et socialis",
year="1990",
author="Gjerde, Hallvard and Christophersen, Asbjørg S. and Bjørneboe, A and Sakshaug, J. and Mørland, J",
volume="40",
number="",
pages="71-77",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0065-1397",
doi="",
url="http://dx.doi.org/"
}