@article{ref1,
title="Depression and the association of smoking and suicide",
journal="American journal of public health",
year="2000",
author="Sheikh, K.",
volume="90",
number="12",
pages="1952-1953",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="10.2105/ajph.90.12.1952",
url="http://dx.doi.org/10.2105/ajph.90.12.1952"
}