@article{ref1,
title="The association between per capita consumption of alcohol and the proportion of excessive consumers--a reply to Skog",
journal="British journal of addiction",
year="1980",
author="Duffy, J. C.",
volume="75",
number="2",
pages="147-151",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0952-0481",
doi="",
url="http://dx.doi.org/"
}