title: Externalized silicone tube in single canalicular intubation.
mesh_terms: D006801:Humans; D007440:Intubation / Q000295:instrumentation / Q000379:methods*; D007765:Lacrimal Apparatus; D007767:Lacrimal Duct Obstruction / Q000628:therapy; D009301:Nasolacrimal Duct; D012828:Silicones
chemical_list: D012828:Silicones