@article{ref1,
title="Suicide among chemists",
journal="Archives of environmental health",
year="1969",
author="Li, F. P.",
volume="19",
number="4",
pages="518-520",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9896",
doi="",
url="http://dx.doi.org/"
}