Nourouzi, V., Mohammadian, A., Isazadehfar, K., & Rasouli, S. (2018). Using intravenous acetaminophen in the reduction of opioids in spinal cord surgeries by patient-controlled analgesia. International Surgery Journal, 5(12), 3883–3887. https://doi.org/10.18203/2349-2902.isj20185012