@article{ref1,
title="The health of farmers",
journal="Journal of the Iowa Medical Society",
year="1976",
author="Lawhorne, L.",
volume="66",
number="10",
pages="409-418",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-0587",
doi="",
url="http://dx.doi.org/"
}