Lam, P., N. Ly, and N. Ngoc. “Effect of Platelet-Rich Fibrin (PRF) on Pain and Swelling After Surgical Removal of Impacted Lower Third Molars”. Science and Technology Development Journal: Health Sciences, Vol. 2, no. 1, Apr. 2021, pp. 102-9, doi:https://doi.org/10.32508/stdjhs.v2i1.457.