@article{ref1,
title="Difference between state and private accident insurance benefits",
journal="Hefte zur Unfallheilkunde",
year="1956",
author="Lentzen, M.",
volume="52",
number="",
pages="40-50",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0085-1469",
doi="",
url="http://dx.doi.org/"
}