Patel, Dipali L., Bhavna H. Sojitra, and Jigishaben D. Rathod. “Epidural Labor Analgesia: A Comparison of Mixture of Ropivacaine 0.125% With Fentanyl Versus Ropivacaine 0.2% With Fentanyl”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11, no. 10 (September 27, 2022): 2748–2753. Accessed July 9, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/12104.