Almeida, Wanessa da Silva de, and Célia Landmann Szwarcwald. “ Infant Mortality and Geographic Access to Childbirth in Brazilian Municipalities ”. Revista De Saúde Pública, vol. 46, no. 1, Feb. 2012, pp. 68-76, https://doi.org/10.1590/S0034-89102012005000003.