@article{ref1,
title="Parental physical and psychological aggression",
journal="Child abuse and neglect",
year="2010",
author="Hassall, Ian B.",
volume="34",
number="2",
pages="81; author reply 82-3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0145-2134",
doi="10.1016/j.chiabu.2009.04.009",
url="http://dx.doi.org/10.1016/j.chiabu.2009.04.009"
}