Lazzeri, Davide, Giuseppe Cianchini, Fabio Nicoli, Giamberto Casini, and Stefano Lazzeri. “Strabismus in Bronzino’s Paintings: A Hallmark of a Realistic Painter?”. Acta Bio Medica Atenei Parmensis 89, no. 4 (January 15, 2019): 564-568. Accessed September 22, 2019. http://www.mattioli1885journals.com/index.php/actabiomedica/article/view/6385.