Grewal, D.T.K. et al. 2019. Comparison of Ropivacaine 0.2% Alone and in Combination with Fentanyl for Caudal Anesthesia in Paediatric Patients. International Journal of Innovative Research in Medical Science. 4, 02 (Feb. 2019), 103 to 107. DOI:https://doi.org/10.23958/ijirms/vol04-i02/546.