@article{ref1,
title="Aggression: innate drive or response?",
journal="Proceedings of the Royal Society of Medicine",
year="1970",
author="Hill, Deanna",
volume="63",
number="2",
pages="159-162",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-9157",
doi="",
url="http://dx.doi.org/"
}