title: Sling retraction for proximal placement of percutaneous transhepatic biliary endoprosthesis.
mesh_terms: D001652:Bile Ducts; D002404:Catheterization / Q000379:methods*; D004386:Duodenum; D006801:Humans; D008099:Liver; D008722:Methods; D019736:Prostheses and Implants; D011677:Punctures / Q000379:methods