@article{ref1,
title="Alcoholism: controlled drinking and incentives for abstinence",
journal="Psychological reports",
year="1971",
author="Cohen, M. and Liebson, I. A. and Faillace, L. A. and Speers, W.",
volume="28",
number="2",
pages="575-580",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}