Awal, D. M. A., & Akhter, D. M. (2020). Comparing the Efficacy of Platelet-Rich Fibrin (PRF) With the Buccal Advancement Flap for the Closure of Acute Oroantral Communication. International Journal of Innovative Research in Medical Science, 5(11), 566–571. https://doi.org/10.23958/ijirms/vol05-i11/1008