@article{ref1,
title="Pain and aggression in the rat",
journal="Behavioral biology",
year="1978",
author="Blanchard, R. J. and Blanchard, D. C. and Takahashi, L. K.",
volume="23",
number="3",
pages="291-305",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-6773",
doi="",
url="http://dx.doi.org/"
}