title: A prospective randomized trial of Teflon versus polyethylene stents for distal malignant biliary obstruction.
authors.forename: D W
authors.initials: DW
authors.lastname: Seo
mesh_terms: D000230:Adenocarcinoma / Q000628:therapy*; D000368:Aged; D000369:Aged, 80 and over; D001651:Cholestasis, Extrahepatic / Q000628:therapy*; D003138:Common Bile Duct Neoplasms / Q000556:secondary / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010166:Palliative Care; D020959:Polyethylene; D011138:Polytetrafluoroethylene; D015607:Stents
chemical_list: D011138:Polytetrafluoroethylene; D020959:Polyethylene