@article{ref1,
title="Mortality in patients with substance abuse: A follow-up in Stockholm County, 1973-1984",
journal="International journal of the addictions",
year="1991",
author="Engström, Ann and Adamsson, Caroline and Allebeck, Peter and Rydberg, Ulf",
volume="26",
number="1",
pages="91-106",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-773X",
doi="10.3109/10826089109056241",
url="http://dx.doi.org/10.3109/10826089109056241"
}