Thakur, Sanjeev Kumar, Baleshwar Yadav, Raj Kumar Bedajit, Akash Agrahari, Sanjay Kumar Singh, and Anwar Afaque. 2019. “Intranasal Findings in Unilateral Primary Acquired Nasolacrimal Duct Obstruction”. Journal of Chitwan Medical College 9 (1):47-51. https://nepjol.info/index.php/JCMC/article/view/23785.