@article{ref1,
title="Side effects of drugs and their cause",
journal="Tierärztliche Praxis",
year="1981",
author="Estler, C. J.",
volume="9",
number="3",
pages="411-420",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0303-6286",
doi="",
url="http://dx.doi.org/"
}