title: Dacryocystorhinostomy and the superior-inferior flap technique.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003607:Dacryocystitis / Q000150:complications; D003608:Dacryocystorhinostomy; D005260:Female; D006801:Humans; D007767:Lacrimal Duct Obstruction / Q000209:etiology; D008297:Male; D008875:Middle Aged; D013536:Suture Techniques; D013666:Tears