title: Polyurethane stent in nasolacrimal duct obstruction.
authors.forename: S H
authors.initials: SH
authors.lastname: Ugrbaş
mesh_terms: D003608:Dacryocystorhinostomy; D006801:Humans; D009301:Nasolacrimal Duct / Q000601:surgery*; D011140:Polyurethanes; D019919:Prosthesis Implantation / Q000379:methods*; D015607:Stents
chemical_list: D011140:Polyurethanes