Javed, Lubna, Anbrin Salick, and Naheed Jamal Faruqi. “Epidural Analgesia in Labor in Relation to the Rate of Instrumental Deliveries”. Annals of King Edward Medical University 11, no. 3 (April 16, 2016). Accessed April 25, 2024. https://annalskemu.org/journal/index.php/annals/article/view/1031.