العلوني فايز, and شقوف غرام. 2022. “Comparison Between Endoscopic and Conventional Dacryocystorhinostomy in the Treatment of Tear Duct Obstruction in Terms of Surgical Success Rate and Recurrence Rate”. Tishreen University Journal -Medical Sciences Series 43 (6):299-307. https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/11558.