Ngoc, Doan, Hoang Thi Huyen Trang, Tran Cong Hoan, Nguyen Van Sang, & Nguyen Minh Chau.
" The Value of Ultrasound in Classification  of Thyroid Hypoechoic Nodules." <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], 37.3 (2021): n. pag. Web. 19 Apr. 2024