Dr. Ravi Ranjan, Dr. Kumari Rupam, and Dr. Sudhir Kumar. “Change to Win - Flapless External Dacryocystorhinostomy (DCR)”. Tropical Journal of Ophthalmology and Otolaryngology 5, no. 8 (December 31, 2020): 224-230. Accessed January 29, 2025. https://opthalmology.medresearch.in/index.php/jooo/article/view/169.