@article{ref1,
title="The importance of examining variants of implementation among evidence-based and promising programs to prevent child maltreatment",
journal="Child abuse and neglect",
year="2016",
author="Lutzker, John R. and Casillas, Katherine L.",
volume="53",
number="",
pages="1-3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0145-2134",
doi="10.1016/j.chiabu.2016.01.005",
url="http://dx.doi.org/10.1016/j.chiabu.2016.01.005"
}