@article{ref1,
title="Trends in childhood leukemia mortality in Brazil and correlation with social inequalities",
journal="Cancer",
year="2007",
author="Ribeiro, Karina B. and Lopes, Luiz F. and de Camargo, Beatriz",
volume="110",
number="8",
pages="1823-1831",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0008-543X",
doi="10.1002/cncr.22982",
url="http://dx.doi.org/10.1002/cncr.22982"
}