@article{ref1,
title="The economic downturn probably reduced violence far more than licensing restrictions",
journal="Addiction",
year="2015",
author="Shepherd, Jonathan and Page, Nicholas",
volume="110",
number="10",
pages="1583-1584",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/add.13023",
url="http://dx.doi.org/10.1111/add.13023"
}