Suthar, O., Sethi, P., & Sharma, U. D. (2019). Comparison of dexmedetomidine and clonidine as an adjuvant to intrathecal bupivacaine in lower limb surgery: A randomised, double-blind, placebo controlled trial. Anaesthesia, Pain & Intensive Care, 147-152. Retrieved from https://mail.apicareonline.com/index.php/APIC/article/view/309