@article{ref1,
title="Doctors and control of major releases of chemicals",
journal="British medical journal: BMJ",
year="1992",
author="Harrison, M. and Vale, J. A.",
volume="304",
number="6843",
pages="1690-1690",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}