@article{ref1,
title="Unusual case of hydrogen sulfide poisoning in chemical industry",
journal="Pracovni Lekarstvi",
year="1956",
author="Knopfelmacher, E.",
volume="8",
number="2",
pages="118-119",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0032-6291",
doi="",
url="http://dx.doi.org/"
}