Neonatal deaths in low birth weight newborns in the state of Piauí: an epidemiological study. Research, Society and Development, [S. l.], v. 11, n. 16, p. e239111638030, 2022. DOI: 10.33448/rsd-v11i16.38030. Disponível em: https://rsdjournal.org/rsd/article/view/38030. Acesso em: 5 dec. 2025.