@article{ref1,
title="Designing out violence and aggression",
journal="Emergency medicine journal",
year="2012",
author="Hughes, Geoffrey",
volume="29",
number="3",
pages="172-172",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1472-0205",
doi="10.1136/emermed-2011-200957",
url="http://dx.doi.org/10.1136/emermed-2011-200957"
}