Ntavoni , G., Vasilopoulos, G., Toylia , G., Linardatou, V., Kadda, O., Stergiannis, P., Myrianthefs, P., & Kalogianni , A. (2025). Evaluation of the effectiveness of postoperative analgesia after major abdominal surgery. Health & Research Journal, 11(2), 117–131. https://doi.org/10.12681/healthresj.39935