%0 Journal Article %T Amblyopia risk factors in congenital nasolacrimal duct obstruction: A longitudinal case-control study %A Hee Kyung Yang %A Ho-Kyoung Choung %A Jeong-Min Hwang %A Namju Kim %A Sang-In Khwarg %A YungJu Yoo %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0217802 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6563971/