@article{ref1,
title="Social factors associated with child mental health problems in Brazil: cross sectional survey",
journal="British medical journal: BMJ",
year="2001",
author="Fleitlich, B and Goodman, Robert",
volume="323",
number="7313",
pages="599-600",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}