@article{ref1,
title="Tackling knife violence",
journal="British medical journal: BMJ",
year="2008",
author="Shepherd, Jonathan P. and Brennan, Iain R.",
volume="337",
number="",
pages="a849-a849",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="10.1136/bmj.a849",
url="http://dx.doi.org/10.1136/bmj.a849"
}