Duwal S, Saiju R. Outcomes of external dacryocystorhinostomy and endoscopic endonasal dacryocystorhinostomy in the management of nasolacrimal duct obstruction. Nep J Oph [Internet]. 2015 Sep. 17 [cited 2024 Nov. 22];7(1):39-46. Available from: https://nepjol.info/index.php/NEPJOPH/article/view/13165