Khalil, A. “Mucabrasion and Refreshment of the Oral Mucosa; As a New Method of Treatment of Oroantral and Oronasal Fistulas”. Tishreen University Journal -Medical Sciences Series, vol. 41, no. 6, Jan. 2020, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/9377.