Gupta, N., Gupta, S., Agarwal, A., Agarwal, S., Dwivedi, S., & Singh, A. (2016). To study the painless labour by epidural analgesia and its effects on cardiotocographic parameters and labour. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 2(4), 666–670. Retrieved from https://www.ijrcog.org/index.php/ijrcog/article/view/265