8Gharib H. Changing concepts in the diagnosis and management of thyroid nodules[J]. Endocrinol Metab Clin North Am, 1997, 26 (4): 777-800.
9Giuffrida D, Ghari H. Controversies in the management of cold, hot, and occult thyroid nodules[J]. Am J Med, 1995, 99(6): 642- 650.
10Chen KY, Chen CN, Wu MH, et al. Computerized detection and quantification of microcalcifications in thyroid nodules [J]. Ultra-sound Med Biol, 2011, 37(6): 870-878.