@article{ref1,
title="Organophosphorus compounds; the past and the future",
journal="Clinical toxicology (Dekker)",
year="1972",
author="Nelson, D. L. and Crawford, C. R.",
volume="5",
number="2",
pages="223-230",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9309",
doi="10.3109/15563657208991001",
url="http://dx.doi.org/10.3109/15563657208991001"
}