Gunduz, A., T. Cumurcu, S. Demirel, and E. Ozsoy. “The Effect of Mucosal Flap Technique in External Dacryocystorhinostomy on Surgical Success: “H” Flap Versus ‘U’ Flap”. Annals of Medical Research, vol. 19, no. 2, May 2021, pp. 0071-4, http://www.annalsmedres.org/index.php/aomr/article/view/3524.