1. Yi KH, Park YJ, Koong SS, Kim JH, Na DG, Ryu JS, Park SY, Park IA, Baek CH, Shong YK, et al. Revised Korean Thyroid Association management guidelines for patients with thyroid nodules and thyroid cancer. Endocrinol Metab. 2010; 25:270–297.
2. Noguchi S, Yamashita H, Uchino S, Watanabe S. Papillary microcarcinoma. World J Surg. 2008; 32:747–753.
3. Mazzaferri EL, Sipos J. Should all patients with subcentimeter thyroid nodules undergo fine-needle aspiration biopsy and preoperative neck ultrasonography to define the extent of tumor invasion? Thyroid. 2008; 18:597–602.
4. Mazzaferri EL. An overview of the management of papillary and follicular thyroid carcinoma. Thyroid. 1999; 9:421–427.
5. Cho BY, Choi HS, Park YJ, Lim JA, Ahn HY, Lee EK, Kim KW, Yi KH, Chung JK, Youn YK, et al. Changes in the clinicopathological characteristics and outcomes of thyroid cancer in Korea over the past four decades. Thyroid. 2013; 23:797–804.