@article{ref1,
title="Endogenous and exogenous factors in serious traffic accidents",
journal="Hefte zur Unfallheilkunde",
year="1978",
author="Koudsi, F. and Walde, H. J. and Kirschner, P.",
volume="",
number="132",
pages="75-82",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}