T. V. Thao and T. T. Oanh, “Clinical and paraclinical characteristics and treatment outcomes of endoscopic retrograde cholangiopancreatography (ercp)-guided biliary stent placement in patients with malignant biliary obstruction”, TC Khoa học tiêu hóa Việt Nam, vol. 12, no. 76, May 2025, doi: 10.63583/1773hd42.