Asif, Mohammad, Neelavati Waghamore, and Anwar Hussain. 2025. “A Comparative Study of Intrathecal Morphine and Fentanyl As Additives to of 0.5% Hyperbaric Bupivacaine in Lower Segment Caesarean Section: A Prospective Randomized Double Blind Clinical Trial”. Journal of Neonatal Surgery 14 (30S). Lahore, Pakistan:864-76. https://jneonatalsurg.com/index.php/jns/article/view/7071.