Analysis of vaccine coverage in children under two years of age in a municipality in Baixada Maranhense in the period 2017-2019. Research, Society and Development, [S. l.], v. 12, n. 3, p. e1712340329, 2023. DOI: 10.33448/rsd-v12i3.40329. Disponível em: https://rsdjournal.org/rsd/article/view/40329. Acesso em: 6 dec. 2025.