Banerjee, A., Bhattacharya, P., Wankhede, R. G., Rudra, A., Sengupta, S. and Sen, S. (2020) “Study the impact of ketamine, clonidine and combination of ketamine-clonidine on cardiovascular system during pre and postoperatively: A double blind, placebo controlled study”, International Journal of Health and Clinical Research, 3(4), pp. 109–118. Available at: https://www.ijhcr.com/index.php/ijhcr/article/view/137 (Accessed: 4February2026).