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Rizzo, Caterina, Antonino Bella, Cécile Viboud, Lone Simonsen, Mark A. Miller, Maria Cristina Rota, Stefania Salmaso, και Marta Luisa Ciofi degli Atti. Trends for Influenza-related Deaths During Pandemic and Epidemic Seasons, Italy, 1969–2001. Centers for Disease Control and Prevention, 2007.

Rizzo, Caterina, et al. Trends for Influenza-related Deaths During Pandemic and Epidemic Seasons, Italy, 1969–2001. Centers for Disease Control and Prevention, 2007.