@article{ref1,
title="Violence: Some information on perpetrators",
journal="Injury and safety monitor",
year="2004",
author="Donson, H. and Marais, Sandra",
volume="3",
number="1",
pages="6-7",
abstract="",
language="",
issn="1021-6251",
doi="",
url="http://dx.doi.org/"
}