Comparison of the results between monocanalicular and bicanalicular silicone tube intubation in children with congenital nasolacrimal duct obstruction. Ann Med Res [Internet]. 2021 Nov. 24 [cited 2025 Apr. 4];28(11):2044-8. Available from: http://annalsmedres.org/index.php/aomr/article/view/3973