@article{ref1,
title="A longitudinal electromyographic study of six men occupationally exposed to organophosphorus compounds",
journal="International archives of occupational and environmental health",
year="1977",
author="Roberts, D. V.",
volume="38",
number="4",
pages="221-229",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0340-0131",
doi="",
url="http://dx.doi.org/"
}