Zingarelli, S., P. Airò, M. Frassi, C. Bazzani, M. Scarsi, and M. Puoti. 2008. “Prophylaxis and Therapy of HBV Infection in 20 Patients Treated With Disease Modifying Antirheumatic Drugs or With Biological Agents for Rheumatic Diseases”. Reumatismo 60 (1):22-27. https://doi.org/10.4081/reumatismo.2008.22.