An advocacy of external dacryocystorhinostomy.
D003608:Dacryocystorhinostomy; D005123:Eye / Q000601:surgery*; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery*; D013508:Ophthalmologic Surgical Procedures; D009885:Ophthalmology
EYES/surgery; LACRIMAL ORGANS/surgery