1. Fedorak I, Salti G, Fulton N, et al. Increased incidence of thyroid cancer in patients with primary hyperparathyroidism: a continuing dilemma. Am.Surg.1994;60:427–431
2. Matas A, Simmons R, Buselmeier TJ, et al. Increased incidence of malignancy during chronic renal failure. Lancet 1975;19:883–886
3. Linos DA, Ziroyannis PN. Secondary hyperparathyroidism and thyroid cancer. Int. Surg. 1985;70:263–264
4. Klyachkin ML, Sloan DA. Secondary hyperparathyroidism: evidence for an association with papillary thyroid cancer. Am. Surg. 2001;67:397–399
5. Inoue S, Azuma M, Hirabayashi T, et al. Studies on small thyroid carcinoma in dialysis patients with hyperparathyroidism. Nippon Naibunpi Gakkai Zasshi 1986;62:1194–1202