@article{ref1,
title="Improvement of health care and work safety as a complex social task",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1976",
author="Schulz, B.",
volume="70",
number="7",
pages="362-366",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}