@article{ref1,
title="Drowsiness and traffic safety: at least as dangerous as alcohol!",
journal="MMW: Fortschritte der Medizin",
year="2015",
author="Hell, Wolfram",
volume="157",
number="16",
pages="46-48",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="1438-3276",
doi="",
url="http://dx.doi.org/"
}