@article{ref1,
title="Animal behavior case of the month. Aggression that began 4 days after ovariohysterectomy",
journal="Journal of the American Veterinary Medical Association",
year="1998",
author="Misner, T. L. and Houpt, Katherine A.",
volume="213",
number="9",
pages="1260-1262",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-1488",
doi="",
url="http://dx.doi.org/"
}