Nitinol versus steel partially covered self-expandable metal stent for malignant distal biliary obstruction: a randomized trial - Soderlund, C; Linder, S; Bergenzaun, P E; Grape, T; Hakansson, H-O; Kilander, A; Lindell, G; Ljungman, M; Ohlin, B; Nielsen, J; Rudberg, C; Stotzer, P-O; Svartholm, E; Toth, E; Frozanpor, F. (Endoscopy, 2014)
[PMID: 25321620