La, Van Phu, Van Linh Pham, and Huynh Trang Vo. 2023. “FEATURES OF CLINICAL SYMPTOMS, TRANSABDOMINAL ULTRASONOGRAPHY AND COMPUTED TOMOGRAPHY OF CHOLEDOCHOLITHIASIS IN ELDERLY PATIENTS”. Cantho Journal of Medicine and Pharmacy, no. 45 (June):184-91. https://tapchi.ctump.edu.vn/index.php/ctump/article/view/1010.