Vaccination coverage in children under 1 year of age - an analysis between different regions of Brazil . Research, Society and Development, [S. l.], v. 12, n. 1, p. e22412139741, 2023. DOI: 10.33448/rsd-v12i1.39741. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/39741. Acesso em: 29 jun. 2025.