محمد ر., & فادي خليل. (2023). Comparaing the effect of discision technique and micro osteo perforation technique on loss anchorage during two –step retraction(A Clinical Study). Tishreen University Journal -Medical Sciences Series, 45(3), 259–279. Retrieved from https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/14577