Jindal S, Goel P, Mitra S, Pandher DK, Rani S. Efficacy and safety of intravenous paracetamol versus intravenous tramadol for labour analgesia. Int J Reprod Contracept Obstet Gynecol [Internet]. 2023 Dec. 29 [cited 2025 Oct. 28];13(1):100-6. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/13667