@article{ref1,
title="Acute toxicity of hydrazine and some of its methylated derivatives",
journal="AMA archives of industrial health",
year="1956",
author="Witkin, L. B.",
volume="13",
number="1",
pages="34-36",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0567-3933",
doi="",
url="http://dx.doi.org/"
}