2021 Korean Thyroid Imaging Reporting and Data System and Imaging-Based Management of Thyroid Nodules: Korean Society of Thyroid Radiology Consensus Statement and Recommendations. - Ha EJ; Chung SR; Na DG; Ahn HS; Chung J; Lee JY; Park JS; Yoo RE; Baek JH; Baek SM; Cho SW; Choi YJ; et al. (Korean journal of radiology, 2021)