@article{ref1,
title="Physical and Psychological Maltreatment: Relations Among Types of Maltreatment",
journal="Child abuse and neglect",
year="1991",
author="Claussen, Angelika H. and Crittenden, P. M.",
volume="15",
number="",
pages="5-18",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0145-2134",
doi="",
url="http://dx.doi.org/"
}