@article{ref1,
title="Introduction. evolution, prevention, and responses to aggressive behavior and violence",
journal="Journal of law, medicine and ethics",
year="2004",
author="Sade, RM",
volume="32",
number="1",
pages="8-17",
abstract="Abstract unavailable.",
language="",
issn="1073-1105",
doi="",
url="http://dx.doi.org/"
}