@article{ref1,
title="Guns, suicide, and homicide: individual-level versus population-level studies",
journal="Annals of internal medicine",
year="2014",
author="Hemenway, David A.",
volume="160",
number="2",
pages="134-135",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-4819",
doi="",
url="http://dx.doi.org/"
}