@article{ref1,
title="Forensic psychology: Violence viewed by psychopathic murderers",
journal="Nature",
year="2003",
author="Gray, Nicola S. and MacCulloch, Malcolm J. and Smith, Jennifer and Morris, Mark and Snowden, Robert J.",
volume="423",
number="6939",
pages="497-498",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-0836",
doi="10.1038/423497a",
url="http://dx.doi.org/10.1038/423497a"
}