@article{ref1,
title="Chemical hazards in agriculture",
journal="Annals of occupational hygiene",
year="1969",
author="Edson, E. F.",
volume="12",
number="2",
pages="99-108",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-4878",
doi="",
url="http://dx.doi.org/"
}