Analysis of the mortality rate for tumors in the central nervous system between 1979 to 2018 in the State of Piauí, Brazil. Research, Society and Development, [S. l.], v. 10, n. 1, p. e2510111269, 2021. DOI: 10.33448/rsd-v10i1.11269. Disponível em: https://www.rsdjournal.org/rsd/article/view/11269. Acesso em: 5 dec. 2025.