SEYFFERT, J.; HERMAN, A.; KATZ, B.; RIVLIN, D. Bilateral symmetric Merkel cell carcinomas of the dorsal hands: multiple primary tumors or early metastasis?. International Journal of Research in Dermatology, [S. l.], v. 7, n. 5, p. 730–733, 2021. DOI: 10.18203/issn.2455-4529.IntJResDermatol20213352. Disponível em: https://www.ijord.com/index.php/ijord/article/view/1358. Acesso em: 13 oct. 2025.