ابراهيم مصطفى, يوسف يوسف, and عجوب اليسار. 2020. “Concordance Between Endoscopic Diagnosis of Laryngeal Lesions and Pathology Results”. Tishreen University Journal -Medical Sciences Series 42 (2). https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/9621.