@article{ref1,
title="Substance use and violent death: a case for the 'too hard' basket?",
journal="Addiction",
year="2009",
author="Darke, S.",
volume="104",
number="7",
pages="1063-1064",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/j.1360-0443.2009.02562.x",
url="http://dx.doi.org/10.1111/j.1360-0443.2009.02562.x"
}