@article{ref1,
title="Number needed to detain",
journal="British journal of psychiatry",
year="1997",
author="Fleminger, S.",
volume="171",
number="",
pages="287-287",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}