title: [Retrograde application of silicone rod in treatment of lacrimal canalicular obstruction].
mesh_terms: D000328:Adult; D002918:Chymotrypsin / Q000627:therapeutic use; D006801:Humans; D007440:Intubation / Q000379:methods*; D007767:Lacrimal Duct Obstruction / Q000628:therapy*; D009355:Neomycin / Q000627:therapeutic use; D012826:Silicone Elastomers
chemical_list: D012826:Silicone Elastomers; D002918:Chymotrypsin; D009355:Neomycin