Nourouzi, Vadoud, Ali Mohammadian, Khatereh Isazadehfar, and Sona Rasouli. “Using Intravenous Acetaminophen in the Reduction of Opioids in Spinal Cord Surgeries by Patient-Controlled Analgesia”. International Surgery Journal 5, no. 12 (November 28, 2018): 3883–3887. Accessed November 7, 2025. https://www.ijsurgery.com/index.php/isj/article/view/3481.