@article{ref1,
title="The dosage alone determines whether a substance is toxic",
journal="Wiener Klinische Wochenschrift Supplementum",
year="1992",
author="Valdes, R. and Domke, I.",
volume="191",
number="",
pages="3-3",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-5178",
doi="",
url="http://dx.doi.org/"
}