[1]
A. Hsiung, S. Kitudomrat, and P. Yiampop, “Efficacy of local infiltration tramadol (transversus abdominis plane block technique) versus preemptive intravenous tramadol on postoperative pain after open appendectomy: a prospective randomized controlled trial”, Int Surg J, vol. 12, no. 5, pp. 706–712, Apr. 2025.