Khalid, A., S. Sultan, M. A. Khanzada, Muhammad wasif, A. Bhatty, and Aveen fatima. “The Outcome of Endonasal Endoscopic Versus Transcanalicular Laser Dacryocystorhinostomy”. Journal of Liaquat University of Medical & Health Sciences, vol. 23, no. 02, June 2024, pp. 134-9, http://ojs.lumhs.edu.pk/index.php/jlumhs/article/view/1263.