@article{ref1,
title="Viewpoints on abstinence and controlled use",
journal="American journal of drug and alcohol abuse encompassing all addictive disorders",
year="1978",
author="Carroll, J. F.",
volume="5",
number="3",
pages="327-333",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-2990",
doi="",
url="http://dx.doi.org/"
}