@article{ref1,
title="The warning signs of violent behaviour",
journal="Canadian nurse, The",
year="2013",
author="Watt, Kelly",
volume="109",
number="2",
pages="28-28",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0008-4581",
doi="",
url="http://dx.doi.org/"
}