Kannan, Bhuvaneshwari, and Chellammal K. Rengasamy. 2017. “Attitude of Obstetricians Regarding Labour Analgesia and Limitations in Practising It”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6 (2):388-91. https://doi.org/10.18203/2320-1770.ijrcog20170076.