@article{ref1,
title="Violence and aggression: how nurses perceive their own and colleagues' risk",
journal="Emergency nurse",
year="2005",
author="Landy, Hannah",
volume="13",
number="7",
pages="12-15",
abstract="Abstract unavailable.",
language="",
issn="1354-5752",
doi="",
url="http://dx.doi.org/"
}