Marques, A.S., Caldeira, A.P., ouza, L.R., Zucchi, P. and Cardoso, W.D.A. 2010. The population slave descendents in the North of Minas Gerais: invisibility, inequalities, and denial of access to the public health system . Boletim do Instituto de Saúde - BIS. 12, 2 (Aug. 2010), 154–161.