Relationship between water supply and the occurrence of diseases in indigenous people in the state of Maranhão, Brazil. Research, Society and Development, [S. l.], v. 9, n. 7, p. e404974028, 2020. DOI: 10.33448/rsd-v9i7.4028. Disponível em: https://www.rsdjournal.org/rsd/article/view/4028. Acesso em: 5 dec. 2025.