title: Probing in congenital dacryostenosis or atresia.
mesh_terms: D002675:Child, Preschool; D003251:Constriction, Pathologic / Q000151:congenital / Q000628:therapy; D003608:Dacryocystorhinostomy; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007767:Lacrimal Duct Obstruction / Q000151:congenital / Q000628:therapy*; D008297:Male; D009668:Nose Diseases / Q000150:complications; D012008:Recurrence