“ULTRASOUND GUIDED ERECTOR SPINAE BLOCK VERSUS THORACIC EPIDURAL ANALGESIA FOR ACUTE POST THORACOTOMY PAIN RELIEF”. The Research of Medical Science Review 3, no. 3 (March 21, 2025): 855–860. Accessed April 2, 2025. http://thermsr.com/index.php/Journal/article/view/828.