@article{ref1,
title="We know too little about demand: comments on 'cocaine's fall'",
journal="Addiction",
year="2015",
author="Weatherburn, Don",
volume="110",
number="5",
pages="738-739",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/add.12749",
url="http://dx.doi.org/10.1111/add.12749"
}