@article{ref1,
title="Juvenile playfighting deprivation enhances adult defensive aggression. Is there a dopamine receptor connection?",
journal="Aggressive behavior",
year="1989",
author="Einon, DE and Potegal, Michael",
volume="15",
number="1",
pages="52-53",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}