Vaitiekunas, Laurence, Susan Caird, and David Eriksen. “Percutaneous Transhepatic Biliary Drainage for Malignant Biliary Obstruction in Advanced Solid Organ Malignancy: Clinical Outcomes and Quality of Life Perspective”. Asian Pacific Journal of Cancer Care 8, no. 4 (October 21, 2023): 779-781. Accessed April 27, 2025. http://www.waocp.com/journal/index.php/apjcc/article/view/1135.