Suri, N., and B. B. M. “Endoscopic Dacryocystorhinostomy With Silicon Stent: Our Experience”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 4, no. 3, Apr. 2018, pp. 785-8, doi:10.18203/issn.2454-5929.ijohns20181872.