@article{ref1,
title="Aggression and violence: Genetic, neurobiological, and biosocial perspectives",
journal="Aggressive behavior",
year="1999",
author="Knutson, John F.",
volume="25",
number="3",
pages="233-235",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}