@article{ref1,
title="Physician and road traffic",
journal="Medizinische Welt",
year="1968",
author="Kohlhaas, M.",
volume="9",
number="",
pages="594-596",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0025-8512",
doi="",
url="http://dx.doi.org/"
}