@article{ref1,
title="Recent mass murders in the United States are guns and mental illness",
journal="Journal of healthcare management",
year="2013",
author="O'Connor, Stephen J.",
volume="58",
number="2",
pages="79-79",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1096-9012",
doi="",
url="http://dx.doi.org/"
}