@article{ref1,
title="Zero tolerance of violence",
journal="British journal of psychiatry",
year="2005",
author="Wilson, S.",
volume="187",
number="",
pages="587; author reply 587-587; author reply 587",
abstract="Abstract unavailable.",
language="",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}