S. C. Fonseca, P. V. G. Flores, K. R. Camargo Junior, R. S. Pinheiro, and C. M. Coeli, “Maternal education and age: inequalities in neonatal death”, Rev. saúde pública, vol. 51, p. 94, Nov. 2017, doi: 10.11606/S1518-8787.2017051007013.