Knowledge of puerperas about analgesia of normal delivery in public maternity in the interior of Rio Grande do Norte, Brazil. Research, Society and Development, [S. l.], v. 10, n. 9, p. e37010918010, 2021. DOI: 10.33448/rsd-v10i9.18010. Disponível em: https://www.rsdjournal.org/rsd/article/view/18010. Acesso em: 14 dec. 2025.