2Singhal D, van Gulik TM, Gounaa DJ. Palliative management of hilar cholangiocarcinoma[J]. Surg Oncol, 2005,14( 1 ):59-74.
3Dumortier J, Vaillant E, Boillot O, et al. Diagnosis and treatment of biliary obstruction caused by portal cavemoma [J]. Endoscopy, 2003,35:446-450.
4Dinket HP, Trilier J. Primary an long-term success of percutaneous biliary metallic endoprotheses (Wallstents) in malignant obstructive jaundice [J]. Rofo Fortschr Ged Rontgenstr Neuen Bildged Verfahr, 2001,173:1072.
5Davids PH, Groen AK, Rauws EA, et al. Randomised trial of selfexpanding metal stent versus polyethylene stents for distal malignant biliary obstruction[J].Lanct, 1992,340(8834-8835):1488-1492.
6]sayama H, Komatsu Y, Tsujino T, et al. Aprospective randomized study of' covered' versus'uncovered' diamond stents for themanagement of distal malignant biliary obstructon [J]. Gut, 2004,53 (5): 729-734.
7Kahalch M, Tokar J, Conaway MR, et al. Efficacy and complication of covered Wallstents in malignant distal biliary obstruction [J]. Gastrointest Endosc, 2005,61:528.
