@article{ref1,
title="Animal experiments of testing the combined poisoning effect of selected systems containing two substances",
journal="Zeitschrift fur die Gesamte Hygiene und Ihre Grenzgebiete",
year="1973",
author="Schottek, W.",
volume="19",
number="1",
pages="41-42",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0049-8610",
doi="",
url="http://dx.doi.org/"
}