@article{ref1,
title="On poisoning",
journal="Hippokrates: Zeitschrift fur praktische Heilkunde",
year="1961",
author="Opitz, K.",
volume="32",
number="",
pages="833-837",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0018-2001",
doi="",
url="http://dx.doi.org/"
}