@article{ref1,
title="Broad approach is needed to reduce gun violence, US psychologists say",
journal="BMJ",
year="2013",
author="McCarthy, Michael",
volume="347",
number="",
pages="f7497-f7497",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-535X",
doi="10.1136/bmj.f7497",
url="http://dx.doi.org/10.1136/bmj.f7497"
}