@article{ref1,
title="Obstacles hampering health promotion programs and schemes for preventing harm caused by violence among adolescents",
journal="Ciencia e Saude Coletiva",
year="2007",
author="Fernandes Mattos, Helcio",
volume="12",
number="5",
pages="1112-1115",
abstract="<p>[Abstract unavailable]</p> <p>Language: pt</p>",
language="pt",
issn="1413-8123",
doi="",
url="http://dx.doi.org/"
}