“Evaluation of the Effect of Oxidized Gelatin Sponge on Pain Level in the Donor Area in Free Gingival Graft Operations ”. Annals of Medical Research 27, no. 1 (May 25, 2021): 0334–0339. Accessed April 5, 2025. http://annalsmedres.org/index.php/aomr/article/view/543.