“Comparative Study of Single Dose Epidural Morphine and Intermittent Dose Morphine with Bupivacaine in Post Cesarean Analgesia” (2013) Nepal Journal of Obstetrics and Gynaecology, 7(1), pp. 41–44. Available at: https://nepjol.info/index.php/NJOG/article/view/8835 (Accessed: 6 July 2026).