title: [Different managements of congenital nasolacrimal duct obstruction].
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007440:Intubation; D007767:Lacrimal Duct Obstruction / Q000151:congenital* / Q000628:therapy; D008405:Massage; D009301:Nasolacrimal Duct