Kotwani, D. M., Kotwani, M. B., & Kamdar, B. (2017). Comparative clinical study of the effect of oral clonidine premedication on intraoperative haemodynamics in the patients undergoing laparoscopic cholecystectomy. International Surgery Journal, 4(3), 950–960. https://doi.org/10.18203/2349-2902.isj20170445