@article{ref1,
title="Suicide and substance abuse",
journal="Archives of general psychiatry",
year="1988",
author="Murphy, G. E.",
volume="45",
number="6",
pages="593-594",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}