@article{ref1,
title="MAOA and persistent, pervasive childhood aggression",
journal="Molecular psychiatry",
year="2004",
author="Beitchman, J. H. and Mik, H. M. and Ehtesham, S. and Douglas, L. and Kennedy, James L.",
volume="9",
number="6",
pages="546-547",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1359-4184",
doi="10.1038/sj.mp.4001492",
url="http://dx.doi.org/10.1038/sj.mp.4001492"
}