Ultrasound-guided erector spinae plane block versus rhomboid intercostal sub-serratus plane block for postoperative analgesia in open radical nephrectomy: a randomized clinical study. - Eltwab, Doaa Abd; Abed, Sayed M.; Saad, Ahmad; Aliem, Maha A. Abdel; Elsamahy, Khaled A.; Elshamy, Fatma H.; Gad, Ahmed F.; Elsabeeny, Walaa Y. (BMC Anesthesiology, 2025)