Study of the use of hydroxyurea by patients with hemoglobinopathies assisted by the specialized component of Pharmaceutical Assistance in Piauí, Brazil. Research, Society and Development, [S. l.], v. 9, n. 8, p. e128985134, 2020. DOI: 10.33448/rsd-v9i8.5134. Disponível em: https://www.rsdjournal.org/rsd/article/view/5134. Acesso em: 15 dec. 2025.