@article{ref1,
title="Social class and the mortality of clinically treated alcoholics",
journal="British journal of addiction to alcohol and other drugs",
year="1970",
author="Schmidt, W. and De Lint, J.",
volume="64",
number="3",
pages="327-331",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0890",
doi="",
url="http://dx.doi.org/"
}