@article{ref1,
title="Aggression and violent behaviour in general practice: population based survey in the north of England",
journal="British medical journal: BMJ",
year="2000",
author="Ness, G. J. and House, A. and Ness, A. R.",
volume="320",
number="7247",
pages="1447-1448",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}