Betterle, C., and R. Zanchetta. “Update on Autoimmune Polyendocrine Syndromes (APS)”. Acta Biomedica Atenei Parmensis, vol. 74, no. 1, Apr. 2003, pp. 9-33, https://mattioli1885journals.com/index.php/actabiomedica/article/view/2121.