title: [Progress in the treatment for nasolacrimal duct obstruction].
authors.forename: Q
authors.initials: Q
authors.lastname: Zhang
authors.forename: Y
authors.initials: Y
authors.lastname: Qian
mesh_terms: D003608:Dacryocystorhinostomy; D006801:Humans; D007767:Lacrimal Duct Obstruction / Q000151:congenital / Q000628:therapy*; D009301:Nasolacrimal Duct