@article{ref1,
title="Injury from lifting heavy weights and accident insurance",
journal="Unfallheilkunde",
year="1984",
author="Ludolph, E.",
volume="87",
number="9",
pages="390-392",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0341-5694",
doi="",
url="http://dx.doi.org/"
}