@article{ref1,
title="Studying violent behavior",
journal="Psychiatric services",
year="1995",
author="Silva, J. A. and Leong, G. B.",
volume="46",
number="4",
pages="408-409",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1075-2730",
doi="",
url="http://dx.doi.org/"
}