@article{ref1,
title="Health and occupational protection of workers--a great socialist accomplishment",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1988",
author="Keck, A. and Kreibich, H.",
volume="82",
number="2",
pages="97-99",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}