@article{ref1,
title="The rise of marijuana and the fall of cocaine in the United States: for better, for worse?",
journal="Addiction",
year="2015",
author="Nosyk, Bohdan and Wood, Evan and Kerr, Thomas",
volume="110",
number="5",
pages="737-738",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/add.12738",
url="http://dx.doi.org/10.1111/add.12738"
}