P. S and S. M, “Effect of addition of Dexmedetomidine 0.5 MCG/ML with 0.2% Ropivacaine and 0.2% Ropivacaine alone in epidural labour analgesia: a randomized comparative study”, Int. J. Heal. Clin. Res., vol. 3, no. 10, pp. 22–27, Nov. 2020.