Munjal, M., Kaur, A., Bajwa, G. S., Vohra, H., Sohi, A. and Munjal, S. (2020) “Dacrocystography: a pre requisite to endoscopic dacrocystorhinostomy”, International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(4), pp. 661–663. doi: 10.18203/issn.2454-5929.ijohns20201278.