@article{ref1,
title="University of Wisconsin agricultural safety and health activities",
journal="Wisconsin medical journal",
year="1997",
author="Purschwitz, M.",
volume="96",
number="8",
pages="25-29",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0043-6542",
doi="",
url="http://dx.doi.org/"
}