@article{ref1,
title="Do deaths of despair move together? County-level mortality changes by sex and urbanization, 1990-2017",
journal="American journal of epidemiology",
year="2021",
author="Simon, Daniel H. and Masters, Ryan K.",
volume="190",
number="6",
pages="1169-1171",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9262",
doi="10.1093/aje/kwab015",
url="http://dx.doi.org/10.1093/aje/kwab015"
}