Saraiva, S.E., Mareco, V., Florindo, A., Delgado, D. and de Pina, M.F. 2021. Merkel cell carcinoma associated with chronic treatment with hydroxyurea: a case report. International Journal of Research in Dermatology. 7, 2 (Feb. 2021), 289–292. DOI:https://doi.org/10.18203/issn.2455-4529.IntJResDermatol20210538.