title: Management of occult atretic lacrimal puncta.
mesh_terms: D000328:Adult; D000013:Congenital Abnormalities / Q000601:surgery; D004322:Drainage; D006801:Humans; D007267:Injections; D007765:Lacrimal Apparatus / Q000002:abnormalities*; D008297:Male; D008722:Methods; D008751:Methylene Blue; D013666:Tears
chemical_list: D008751:Methylene Blue