Effectiveness of Intrathecal Morphine for Analgesia following Elective Caesarean Section. Nepal Journal of Obstetrics and Gynaecology, [S. l.], v. 10, n. 1, p. 57–61, 2015. Disponível em: https://nepjol.info/index.php/NJOG/article/view/13198. Acesso em: 6 jul. 2026.