Pillai, R., P. Caria, S. Cabras, F. Saba, R. Vanni, and V. Sogos. “Thyrospheres Enriched in Stem-Like Cells from B-CPAP Thyroid Cancer Cell Line: Morphomolecular Characterization”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 143, https://oajournals.fupress.net/index.php/ijae/article/view/4717.