Phool, Bushra, Shamayela Hanif, and Saadia Sharif. “Frequency of Instrumental Vaginal Delivery in Patients With and Without Receiving Epidural Analgesia”. Annals of King Edward Medical University 19, no. 2 (May 18, 2014): 124. Accessed March 22, 2026. https://www.annalskemu.org/journal/index.php/annals/article/view/495.