Vikram M Shivappagoudar, Jaya Subbu N, Bindu George, and Karthik Jain M, “Comparative evaluation of sequential and premixed administration of hyperbaric bupivacaine with fentanyl in subarachnoid block for lower limb surgeries – A randomized prospective study”, Asian J Med Sci, vol. 15, no. 5, pp. 29–33, May 2024.