@article{ref1,
title="Expert assessment of driving fitness",
journal="Offentliche Gesundheitswesen",
year="1988",
author="Hennighausen, R. H.",
volume="50",
number="11",
pages="635-640",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0029-8573",
doi="",
url="http://dx.doi.org/"
}