Solanki, D., and M. Singh. “Intravenous Regional Anesthesia: Comparing Efficacy of Magnesium Sulphate and Clonidine As an Adjuvant to Lignocaine for Intraoperative and Postoperative Analgesia.”. Anaesthesia, Pain & Intensive Care, Vol. 22, no. 1, Jan. 2019, pp. 48-54, https://apicareonline.com/index.php/APIC/article/view/21.