Krokidis M, Fanelli F, Orgera G, Tsetis D, Mouzas I, Bezzi M, Kouroumalis E, Pasariello R, Hatzidakis A. Percutaneous palliation of pancreatic head cancer: Randomized comparison of ePTFE/FEP-covered versus uncovered nitinol biliary stents. CardioVascular and Interventional Radiology [Internet]. 2011;34(2):352 - 361.