Vuyyuru Babu Rajendra Prasad. “A Clinical Comparison Between Plain Ropivacaine V/S Ropivacaine and Clonidine by Caudal Route for Post Operative Analgesia in Children”. International Journal of Health and Clinical Research 4, no. 12 (July 9, 2021): 47–51. Accessed April 16, 2024. https://ijhcr.com/index.php/ijhcr/article/view/1844.