@article{ref1,
title="Manganese poisoning in the production of tracers for artificial fertilizers",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1956",
author="Schürmann, D.",
volume="6",
number="5",
pages="106-108",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}