@article{ref1,
title="Evidence of Background Checks in an Online Firearms Marketplace",
journal="American journal of preventive medicine",
year="2019",
author="Drake, Coleman and Hernandez, Ashley M. and Liu, Yang and Schwartz, Adam H. and Sundaram, Maria E.",
volume="57",
number="5",
pages="718-720",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0749-3797",
doi="10.1016/j.amepre.2019.06.006",
url="http://dx.doi.org/10.1016/j.amepre.2019.06.006"
}