@article{ref1,
title="The use of animals in aggression research",
journal="Aggressive behavior",
year="1981",
author="Brain, Paul F.",
volume="7",
number="4",
pages="383-387",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}