@article{ref1,
title="Neutering of dogs",
journal="Veterinary record",
year="2001",
author="Gardiner, A. A.",
volume="148",
number="1",
pages="28-28",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0042-4900",
doi="",
url="http://dx.doi.org/"
}