@article{ref1,
title="Animal behavior case of the month. Periodic aggression toward the owner",
journal="Journal of the American Veterinary Medical Association",
year="1995",
author="Overall, K. L.",
volume="206",
number="5",
pages="629-632",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-1488",
doi="",
url="http://dx.doi.org/"
}