@article{ref1,
title="Plan for protection: Child abuse center",
journal="Child welfare",
year="1970",
author="Helfer, R. E.",
volume="49",
number="9",
pages="486-494",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0009-4021",
doi="",
url="http://dx.doi.org/"
}