@article{ref1,
title="Physician and traffic safety",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1968",
author="Kleinknecht, T.",
volume="63",
number="46",
pages="1870-1871",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}