Kanna, V., Hakkim, A., Kanakasabai, M. and Govindan, S. 2017. A clinical study of the effectiveness of continuous epidural labour analgesia for vaginal delivery with 0.0625% bupivacaine with 0.0002% fentanyl. International Journal of Research in Medical Sciences. 3, 10 (Jan. 2017), 2553–2560. DOI:https://doi.org/10.18203/2320-6012.ijrms20150789.