@article{ref1,
title="Pyrogens and early poison",
journal="Arzneimittel-Forschung",
year="1953",
author="Marquardt, P. and Carl, E.",
volume="3",
number="4",
pages="181-181",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-4172",
doi="",
url="http://dx.doi.org/"
}