Diniz, C.S.G. et al. 2016. Sociodemographic inequalities and maternity care of puerperae in Southeastern Brazil, according to skin color: data from the Birth in Brazil national survey (2011-2012) . Saúde e Sociedade. 25, 3 (Sep. 2016), 561–572. DOI:https://doi.org/10.1590/S0104-129020162647.