Gianfaldoni, S.; Gianfaldoni, R.; Tchernev, G.; Wollina, U.; Guarneri, C.; Fioranelli, M.; Roccia, M. G.; Lotti, T. Asymptomatic Papules and Subcutaneous Nodules As First Sign of Gout. Open Access Maced J Med Sci 2017, 5, 511-514.