@article{ref1,
title="Preventing gun violence by changing social norms",
journal="JAMA internal medicine",
year="2013",
author="Hemenway, David A.",
volume="173",
number="13",
pages="1167-1168",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2168-6106",
doi="10.1001/jamainternmed.2013.6949",
url="http://dx.doi.org/10.1001/jamainternmed.2013.6949"
}