@article{ref1,
title="Organic phosphate insecticides; a survey of blood cholinesterase activity of exposed agricultural workers in Louisiana, 1957",
journal="American journal of public health",
year="1959",
author="Petty, C. S. and Hedmeg, A. and Reinhart, W. H. and Moore, E. J. and Dunn, L. F.",
volume="49",
number="1",
pages="62-69",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}