@article{ref1,
title="Poisoning by organic phosphorus insecticides",
journal="British medical journal: BMJ",
year="1950",
author="Bidstrup, P. L.",
volume="2",
number="4678",
pages="548-551",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}