PP, Anas, et al. “Comparative Analgesic Effects of Ibuprofen, Celecoxib and Tramadol After Third Molar Surgery: A Prospective Comparative Study”. International Journal of Pharmacological Research, vol. 9, no. 5, May 2019, p. e5162, https://doi.org/10.7439/ijpr.v9i5.5162.