1. Almadi MA, Barkun AN, Martel M. No benefit of covered vs uncovered self-expandable metal stents in patients with malignant distal biliary obstruction: a metaanalysis. Clin Gastroenterol Hepatol. 2013; 11:27–37.e1.
Article
2. Isayama H, Komatsu Y, Tsujino T, et al. A prospective randomised study of “covered” versus “uncovered” diamond stents for the management of distal malignant biliary obstruction. Gut. 2004; 53:729–734.
Article
3. Krokidis M, Fanelli F, Orgera G, Bezzi M, Passariello R, Hatzidakis A. Percutaneous treatment of malignant jaundice due to extrahepatic cholangiocarcinoma: covered Viabil stent versus uncovered Wallstents. Cardiovasc Intervent Radiol. 2010; 33:97–106.
Article
4. Krokidis M, Fanelli F, Orgera G, et al. Percutaneous palliation of pancreatic head cancer: randomized comparison of ePTFE/FEP-covered versus uncovered nitinol biliary stents. Cardiovasc Intervent Radiol. 2011; 34:352–361.
Article
5. Kullman E, Frozanpor F, Söderlund C, et al. Covered versus uncovered self-expandable nitinol stents in the palliative treatment of malignant distal biliary obstruction: results from a randomized, multicenter study. Gastrointest Endosc. 2010; 72:915–923.
Article
6. Telford JJ, Carr-Locke DL, Baron TH, et al. A randomized trial comparing uncovered and partially covered self-expandable metal stents in the palliation of distal malignant biliary obstruction. Gastrointest Endosc. 2010; 72:907–914.
Article
7. Smits ME, Rauws EAJ, Groen AK, Tytgat GNJ, Huibregtse K. Preliminary results of a prospective randomized study of partially covered wallstents vs noncovered wallstents. Gastrointest Endosc. 1995; 41:AB416.
Article
8. Lee SH, Cha SW, Cheon YK, et al. A randomized controlled comparative study of covered versus uncovered self-expandable metal stent for malignant biliary obstruction. Gastrointest Endosc. 2004; 59:AB188.
Article
9. Gonzalez-Huix F, Huertas C, Figa M, et al. A randomized controlled trial comparing the covered (CSEMS) versus uncovered self-expandable metal stents (USEMS) for the palliation of malignant distal biliary obstruction (MDBO): interim analysis. Gastrointest Endosc. 2008; 67:AB166.
Article
10. Cho YD, Cheon YK, Yoo KS, et al. Uncovered versus covered self-expanding metallic stents for inoperable malignant distal biliary obstruction: a prospective randomized multicenter study. Gastrointest Endosc. 2009; 69:AB137.
Article
11. Speer AG, Cotton PB, Russell RC, et al. Randomised trial of endoscopic versus percutaneous stent insertion in malignant obstructive jaundice. Lancet. 1987; 2:57–62.
Article
12. Shepherd HA, Royle G, Ross AP, Diba A, Arthur M, Colin-Jones D. Endoscopic biliary endoprosthesis in the palliation of malignant obstruction of the distal common bile duct: a randomized trial. Br J Surg. 1988; 75:1166–1168.
Article
13. Andersen JR, Sørensen SM, Kruse A, Rokkjaer M, Matzen P. Randomised trial of endoscopic endoprosthesis versus operative bypass in malignant obstructive jaundice. Gut. 1989; 30:1132–1135.
Article
14. Smith AC, Dowsett JF, Russell RC, Hatfield AR, Cotton PB. Randomised trial of endoscopic stenting versus surgical bypass in malignant low bileduct obstruction. Lancet. 1994; 344:1655–1660.
15. Davids PH, Groen AK, Rauws EA, Tytgat GN, Huibregtse K. Randomised trial of self-expanding metal stents versus polyethylene stents for distal malignant biliary obstruction. Lancet. 1992; 340:1488–1492.
Article
16. Knyrim K, Wagner HJ, Pausch J, Vakil N. A prospective, randomized, controlled trial of metal stents for malignant obstruction of the common bile duct. Endoscopy. 1993; 25:207–212.
Article
17. Prat F, Chapat O, Ducot B, et al. A randomized trial of endoscopic drainage methods for inoperable malignant strictures of the common bile duct. Gastrointestl Endosc. 1998; 47:1–7.
Article
18. Lammer J, Hausegger KA, Fluckiger F, et al. Common bile duct obstruction due to malignancy: treatment with plastic versus metal stents. Radiology. 1996; 201:167–172.
Article
19. Silvis SE, Sievert CE Jr, Vennes JA, Abeyta BK, Brennecke LH. Comparison of covered versus uncovered wire mesh stents in the canine biliary tract. Gastrointest Endosc. 1994; 40:17–21.
Article
20. Miyayama S, Matsui O, Terayama N, Tatsu H, Yamamoto T, Takashima T. Covered gianturco stents for malignant biliary obstruction: preliminary clinical evaluation. J Vasc Interv Radiol. 1997; 8:641–648.
Article
21. Saleem A, Leggett CL, Murad MH, Baron TH. Meta-analysis of randomized trials comparing the patency of covered and uncovered self-expandable metal stents for palliation of distal malignant bile duct obstruction. Gastrointest Endosc. 2011; 74:321–327. e1-e3.
Article