Ninh , Việt Khải, and Viết Phú Đỗ. “CLINICAL AND PARACLINICAL CHARACTERISTICS OF PATIENTS WITH PERIHILAR CHOLANGIOCARCINOMA UNDERGOING HEPATECTOMY WITH EXTRAHEPATIC BILE DUCT RESECTION AT VIET DUC UNIVERSITY HOSPITAL”. Vietnam Medical Journal, vol. 561, no. 1, June 2026, doi:10.51298/vmj.v561i1.18103.