Piciu, Doina, Claudiu Pestean, Elena Barbus, Maria Larg, and Andra Piciu. “Second Malignancies in Patients With Differentiated Thyroid Carcinoma Treated With Low and Medium Activities of Radioactive I-131”. Medicine and Pharmacy Reports 89, no. 3 (July 31, 2016): 384-389. Accessed December 1, 2020. https://medpharmareports.com/index.php/mpr/article/view/636.