Seif, Nazmy, Manar El-Kholy, Ashgan Ali, Moustafa Zalat, and Mohamed Elshazly. “Three Ultrasound Guided Plane Blocks for Perioperative Analgesia in Patients Undergoing Radical Cystectomy: A Randomized Clinical Trial”. Anaesthesia, Pain & Intensive Care 28, no. 1 (February 4, 2024): 85-91. Accessed November 15, 2024. https://mail.apicareonline.com/index.php/APIC/article/view/2381.