@article{ref1,
title="Problems in the demonstration of causality between the traffic accident and the onset of death",
journal="Medizinische Welt",
year="1976",
author="Althoff, H.",
volume="27",
number="9",
pages="397-404",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8512",
doi="",
url="http://dx.doi.org/"
}