Nikkhah, M., S.-S. Yousefi, R. Pourmousa, A. Fahimi, F. Seyfi, and O. Sadeghpour. “Comparison of the Effect of Acetaminophen and Licorice-Based Traditional Medicine on Reducing Pain of Patients Undergoing Adenotonsillectomy, a Pilot Randomized Clinical Trial Study”. International Journal of Health Sciences, vol. 5, no. S2, Dec. 2021, pp. 849-55, doi:10.53730/ijhs.v5nS2.13890.