@article{ref1,
title="Interactions among addictive behaviours",
journal="British journal of addiction to alcohol and other drugs",
year="1979",
author="Miller, P. M.",
volume="74",
number="2",
pages="211-212",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0890",
doi="",
url="http://dx.doi.org/"
}