Torres, T., F. Nery, and M. Selores. “ANTI-TNF-ALFA AGENTS TREATMENT AMONG PATIENTS PREVIOUSLY INFECTED WITH HEPATITIS B VIRUS – ARE THESE PATIENTS IN RISK?”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 70, no. 1, Jan. 2013, p. 47, doi:10.29021/spdv.70.1.37.