DIAGNOSTIC PERFORMANCE OF ENDOSCOPIC ULTRASOUND FINE NEEDLE BIOPSY IN DIAGNOSTIC VATER CANCER IN K HOSPITAL. YHCĐ [Internet]. 2026 Aug. 25 [cited 2026 Sept. 8];67(Số CĐ12- Bệnh viện Ung bướu Nghệ An). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6273