@article{ref1,
title="Toxicity criteria used in judging the labeling of pesticides",
journal="American journal of public health",
year="1955",
author="Ward, J. C.",
volume="45",
number="6",
pages="723-727",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}