@article{ref1,
title="Hazards to man through toxic substances at the working site",
journal="Fortschritte der Medizin",
year="1973",
author="Thiess, A. M.",
volume="91",
number="30",
pages="1169-1170",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0015-8178",
doi="",
url="http://dx.doi.org/"
}