Nunes, B., Viboud, C., Machado, A., Ringholz, C., Rebelo-de-Andrade, H., Nogueira, P., & Miller, M. (2011). Excess Mortality Associated with Influenza Epidemics in Portugal, 1980 to 2004. Public Library of Science.

Nunes, Baltazar, Cecile Viboud, Ausenda Machado, Corinne Ringholz, Helena Rebelo-de-Andrade, Paulo Nogueira, και Mark Miller. Excess Mortality Associated With Influenza Epidemics in Portugal, 1980 to 2004. Public Library of Science, 2011.

Nunes, Baltazar, et al. Excess Mortality Associated With Influenza Epidemics in Portugal, 1980 to 2004. Public Library of Science, 2011.