@article{ref1,
title="Stable long-term opioid medication per se does not always cause loss of driving ability: the doctor and patient must consider additional risk factors for unsafe driving",
journal="Acta anaesthesiologica Scandinavica",
year="2006",
author="Breivik, H.",
volume="50",
number="6",
pages="651-652",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-5172",
doi="10.1111/j.1399-6576.2006.01072.x",
url="http://dx.doi.org/10.1111/j.1399-6576.2006.01072.x"
}