Mortality due to malformations of the circulatory system in children under 1 year of age in the Southeast region of Brazil between 2014 and 2019. Research, Society and Development, [S. l.], v. 11, n. 5, p. e3111527993, 2022. DOI: 10.33448/rsd-v11i5.27993. Disponível em: https://rsdjournal.org/rsd/article/view/27993. Acesso em: 5 dec. 2025.