@article{ref1,
title="Aggressive dogs: What questions do we need to ask?",
journal="Canadian veterinary journal",
year="2013",
author="Frank, Diane",
volume="54",
number="6",
pages="554-556",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0008-5286",
doi="",
url="http://dx.doi.org/"
}