@article{ref1,
title="Parathion residues as a cause of poisoning in crop workers",
journal="Journal of the American Medical Association",
year="1958",
author="Quinby, G. E. and Lemmon, A. B.",
volume="166",
number="7",
pages="740-746",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9955",
doi="",
url="http://dx.doi.org/"
}