BUMMA, Cesare. Un ricordo del Prof. Leonardo Caldarola. European Journal of Oncology and Environmental Health, [S. l.], v. 14, n. 4, p. 189–190, 2009. Disponível em: https://mattioli1885journals.com/index.php/EJOEH/article/view/3882. Acesso em: 13 may. 2025.