Ngoc, D., 		Thi Huyen Trang, H., 		Cong Hoan, T., 		Van Sang, N., & 		Minh Chau, N.
(2021).
 The Value of Ultrasound in Classification  of Thyroid Hypoechoic Nodules.
<em>VNU Journal Of Science: Medical And Pharmaceutical Sciences, 37</em>(3).
doi:10.25073/2588-1132/vnumps.4324