Pennelli, Natale, et al. “Thyroid Intrafollicular Neoplasia (TIN) As a Precursor of Papillary Microcarcinoma”. Annali Italiani Di Chirurgia, vol. 76, no. 3, May 2005, pp. 219-24, https://annaliitalianidichirurgia.it/index.php/aic/article/view/550.