@article{ref1,
title="The importance of universal school-based programs in preventing violent and aggressive behavior",
journal="American journal of preventive medicine",
year="2007",
author="Bilchik, Shay",
volume="33",
number="2 Suppl",
pages="S101-3",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0749-3797",
doi="10.1016/j.amepre.2007.04.018",
url="http://dx.doi.org/10.1016/j.amepre.2007.04.018"
}