Seif, N., El-Kholy, M., Ali, A., Zalat, M. and Elshazly, M. 2024. Three ultrasound guided plane blocks for perioperative analgesia in patients undergoing radical cystectomy: a randomized clinical trial. Anaesthesia, Pain & Intensive Care. 28, 1 (Feb. 2024), 85-91. DOI:https://doi.org/10.35975/apic.v28i1.2381.