Bello, S.; Serafino, L.; Bonali, C.; Terlizzi, N.; Fanizza, C.; Anecchino, C.; Lapaldula, G. Incidence of Influenza-Like Illness into a Cohort of Patients Affected by Chronic Inflammatory Rheumatism and Treated With Biological Agents. Reumatismo 2012, 64, 299-306.