@article{ref1,
title="To end the opioid crisis, we must address painful social disparities",
journal="Drug and alcohol dependence",
year="2021",
author="Volkow, Nora D.",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="[The publisher has not provided an abstract for this article.]<p /> <p>Language: en</p>",
language="en",
issn="0376-8716",
doi="10.1016/j.drugalcdep.2021.108678",
url="http://dx.doi.org/10.1016/j.drugalcdep.2021.108678"
}