D. D. Brahmacharimayum, R. S. Nongthombam, D. M., G. Thangaraj, A. Sudarshan, and M. Konom Phom, “Efficacy of ultrasound guided erector spinae plane block with or without dexmedetomidine on the postoperative analgesia in patients undergoing laparoscopic cholecystectomy: a comparative study”, Int J Res Med Sci, vol. 14, no. 3, pp. 1085–1091, Feb. 2026.