1.
Anjum R, Qayum S, Anjum R. Effectiveness of probing in congenital nasolacrimal duct obstruction in children above 1 year of age. IJBR [Internet]. 14Feb.2019 [cited 20Apr.2019];10(2):e5063. Available from: https://ssjournals.com/index.php/ijbr/article/view/5063