3Oikarinen H, Leinonen S, Karttunen A, et al. Patency and complications of percutaneously inserted metallic stents in malignant biliary obstructionl [J]. J Vasc Interv Radiol, 1999,10(10) :1387-1393.
4Inal M, Akgul E, Aksungur E, et al. Percutaneous placement of biliary metallic stents in patients with malignant hilar obstruction: unilobar versus bilobar drainage [ J ]. J Vasc Interv Radiol, 2003,14 ( 11 ) : 1409-1416.