Ngoc, Doan, Tran Quyet Thang, Tran Cong Hoan, & Nguyen Van Sang.
" Value of Ultrasound in the Diagnosis of Cholecystitis." <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], 38.3 (2022): n. pag. Web. 22 Nov. 2024