@article{ref1,
title="Youth violence and its prevention in the United States: An overview of current knowledge",
journal="Injury control and safety promotion",
year="2001",
author="Tolan, P.",
volume="8",
number="1",
pages="1-12",
abstract="Abstract unavailable.<p />",
language="",
issn="1566-0974",
doi="",
url="http://dx.doi.org/"
}