COKKESER, Yasar, Cem EVEREKLIOGLU, Hamdi ER, Abuzer GUNDUZ, Tayyar KALCIOGLU, and Orhan OZTURAN. “Comparison of External Versus Endoscopic Dacryocystorhinostomy”. Annals of Medical Research 7, no. 2 (May 25, 2021): 0140–0145. Accessed January 31, 2023. https://annalsmedres.org/index.php/aomr/article/view/2789.