“Merkel Cell Carcinoma With Kidney Metastasis in a 81-Year-Old Man. A Rare Case Report”. Archivio Italiano di Urologia e Andrologia 91, no. 2 (July 2, 2019). Accessed September 21, 2026. https://www.pagepressjournals.org/aiua/article/view/aiua.2019.2.133.