Varma, Arvind, and Sushobhan Dasgupta. 2019. “Functional Outcome of Endoscopic and External Dacrocystorhinostomy in a Teaching Hospital”. International Journal of Otorhinolaryngology and Head and Neck Surgery 5 (2):358-62. https://doi.org/10.18203/issn.2454-5929.ijohns20190102.