@article{ref1,
title="How to predict impulsive violence: the biochemical findings among habitually violent offenders",
journal="Aggressive behavior",
year="1991",
author="Virkkunen, Matti and Linnoila, M.",
volume="17",
number="2",
pages="101-101",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}