Sanches, M. M., R. Pimenta, I. Cordeiro, and B. Baptista. “Mechanic’s Hands and Drug Eruption to Hydroxychloroquine: Precious Diagnostic Tools”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 78, no. 2, July 2020, pp. 163-6, doi:10.29021/spdv.78.2.1187.