@article{ref1,
title="Paraquat poisoning. Serial studies of lung function",
journal="Quarterly journal of medicine",
year="1973",
author="Cooke, N. J. and Flenley, D. C. and Matthew, H.",
volume="42",
number="168",
pages="683-692",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-5622",
doi="",
url="http://dx.doi.org/"
}