MD, Alaa Ali M. Elzohry, and Ali M. El Foli. “Basics of Acute Postoperative Pain”. American International Journal of Multidisciplinary Scientific Research 1, no. 2 (September 8, 2018): 9-15. Accessed April 24, 2024. https://www.cribfb.com/journal/index.php/aijmsr/article/view/183.