@article{ref1,
title="Aggression--quantitative data",
journal="American journal of psychiatry",
year="1972",
author="Lester, David",
volume="129",
number="2",
pages="238-238",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}