Safi, Abdul Basir, and Ibrarullah Rahimi. “Probing for Congenital Nasolacrimal Duct Obstruction in Children Older Than One Year Age”. International Journal For Research In Applied And Natural Science 7, no. 2 (February 28, 2021): 42–44. Accessed August 2, 2026. https://www.ijrmsjournal.com/index.php/ans/article/view/1524.