Anjum, Rafiq, Shazia Qayum, and Rashid Anjum. 2019. “Effectiveness of Probing in Congenital Nasolacrimal Duct Obstruction in Children above 1 Year of Age.”. International Journal of Biomedical Research 10 (2), e5063. https://doi.org/10.7439/ijbr.v10i2.5063.