Phan, T., H. Vu, K. Nguyen, and L. Nguyen. “Effect of Prf on Pain, Swelling, Trismus After Surgical Removal of Impacted Lower Third Molars”. Science & Technology Development Journal - Health Sciences, Vol. 2, no. 2, Dec. 2021, pp. 314-22, doi:https://doi.org/10.32508/stdjhs.v2i2.495.