@article{ref1,
title="Agricultural workers",
journal="AAOHN journal",
year="1998",
author="McCullagh, M.",
volume="46",
number="9",
pages="465-468",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0891-0162",
doi="",
url="http://dx.doi.org/"
}