Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jui-Hao Chen and Cheuk-Kay Sun and Chao-Sheng Liao and Chain-Smoke Chua,Self-expandable metallic stents for malignant biliary obstruction: Efficacy on proximal and distal tumors,World Journal of Gastroenterology,1007-9327,Baishideng Publishing Group Inc.,2006,12,1,119,https://cir.nii.ac.jp/crid/1363107369657578112,https://doi.org/10.3748/wjg.v12.i1.119