title: Hypotension anaesthesia in dacryocystorhinostomy.
mesh_terms: D000758:Anesthesia; D001794:Blood Pressure; D003560:Cysts / Q000601:surgery; D005128:Eye Diseases / Q000601:surgery; D006221:Halothane; D007023:Hypotension, Controlled; D007765:Lacrimal Apparatus / Q000601:surgery*; D009666:Nose / Q000601:surgery*; D011229:Preanesthetic Medication; D011433:Propranolol
chemical_list: D011433:Propranolol; D006221:Halothane