@article{ref1,
title="Case of mass poisoning with hydrogen sulfide",
journal="Pracovni Lekarstvi",
year="1958",
author="Ruzicka, J. and Knopfelmacher, E.",
volume="10",
number="1",
pages="52-54",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0032-6291",
doi="",
url="http://dx.doi.org/"
}