Kaur, S., and S. . “A Comparative Study of Ketorolac Vs Dexmedetomidine to Attenuate Tourniquet Induced Cardiovascular Response in Lower Limb Surgery”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 404-10, https://apicareonline.com/index.php/APIC/article/view/182.