Bhardwaj, Apoorv, Karamjit Singh, Karan Sharma, Dharamvir Chalia, and Sat Pal. 2016. “Lacrimal Syringing Versus Combined Lacrimal Probing and Syringing for Treatment of Congenital Nasolacrimal Duct Obstruction in Children”. International Journal of Medical Research and Review 4 (6), 964-70. https://doi.org/10.17511/ijmrr.2016.i06.17.