A. Panetta, A. Avveniente, and V. Pajetta, et al., “Pelle (C44) Carcinoma a cellule di Merkel linfonodale in assenza di lesioni cutanee evidenti: report di tre casi e revisione della letteratura / Lymph node Merkel cell carcinoma with no evidence of cutaneous tumor: report of three cases and review of the literature”, Eur J Oncol Env Hea, vol. 16, no. 2, pp. 111–116, Jun. 2011, Accessed: Jan. 22, 2025. [Online]. Available: https://mattioli1885journals.com/index.php/EJOEH/article/view/2304