@article{ref1,
title="Total alcohol consumption and excessive drinking",
journal="British journal of addiction to alcohol and other drugs",
year="1978",
author="Duffy, J. C. and Cohen, G. R.",
volume="73",
number="3",
pages="259-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0890",
doi="",
url="http://dx.doi.org/"
}