Seif N, El-Kholy M, Ali A, Zalat M, Elshazly M. Three ultrasound guided plane blocks for perioperative analgesia in patients undergoing radical cystectomy: a randomized clinical trial. apic [Internet]. 4Feb.2024 [cited 9May2024];28(1):85-1. Available from: https://www.apicareonline.com/index.php/APIC/article/view/2381