@article{ref1,
title="Joint heavy use of alcohol, cigarettes and coffee and the risk of suicide",
journal="Addiction",
year="2001",
author="Jones, J. N. and McBride, A.",
volume="96",
number="8",
pages="1214-1215",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0965-2140",
doi="",
url="http://dx.doi.org/"
}