@article{ref1,
title="Preventing violence among youth: introduction",
journal="American journal of orthopsychiatry",
year="1996",
author="Levine, I. S.",
volume="66",
number="3",
pages="320-322",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9432",
doi="",
url="http://dx.doi.org/"
}