Iron deficiency anemia in the State of Maranhão: an analysis between 2018 and 2022. Research, Society and Development, [S. l.], v. 12, n. 6, p. e4212640612, 2023. DOI: 10.33448/rsd-v12i6.40612. Disponível em: https://www.rsdjournal.org/rsd/article/view/40612. Acesso em: 6 dec. 2025.