Tavares, E., J. A. Dores, and J. Aranha. “PYODERMA GANGRENOSUM ASSOCIATED WITH CHRONIC HEPATITIS C SUCCESSFULLY TREATED WITH ETANERCEPT”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 70, no. 2, Jan. 2013, p. 215, doi:10.29021/spdv.70.2.29.