@article{ref1,
title="Is aggression is more common in some dog breeds?",
journal="Journal of the American Veterinary Medical Association",
year="2001",
author="Allen, DL",
volume="218",
number="2",
pages="193-193",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-1488",
doi="",
url="http://dx.doi.org/"
}