Gupta N, Gupta S, Agarwal A, Agarwal S, Dwivedi S, Singh A. To study the painless labour by epidural analgesia and its effects on cardiotocographic parameters and labour. Int J Reprod Contracept Obstet Gynecol [Internet]. 2016 Dec. 13 [cited 2025 Oct. 9];2(4):666-70. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/265