@article{ref1,
title="Factors related to violent and unpredictable behaviour in psychiatric hospitals",
journal="Nursing times",
year="1973",
author="Brailsford, D. S. and Stevenson, J.",
volume="69",
number="3",
pages="Suppl:9-11",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0954-7762",
doi="",
url="http://dx.doi.org/"
}