Jung, S. ., Baek, J. ., Lee, J. ., Shong, Y. ., Sung, J. ., Kim, K. ., … Na, D. . (1969). Efficacy and Safety of Radiofrequency Ablation for Benign Thyroid Nodules: A Prospective Multicenter Study. Korean Journal of Radiology, 19(1), 167-174. https://doi.org/10.3348/kjr.2018.19.1.167 (Original work published 1969)