Mostafa, Mamdouh, Ahmed Bakeer, and Reham Gamal. “Ultrasound–guided Serratus Anterior Plane Block Versus Thoracic Epidural Analgesia for Acute Post–thoracotomy Pain: A Prospective Randomized Controlled Study”. Anaesthesia, Pain & Intensive Care 25, no. 6 (December 22, 2021): 733-740. Accessed December 22, 2024. https://apicareonline.com/index.php/APIC/article/view/1692.