Trends in mortality from respiratory diseases among the elderly and the influenza vaccine intervention, 1980–2009

Revista Panamericana de Salud Pública/Pan American Journal of Public Health (RPSP/PAJPH)
September 2013  Vol. 34, No. 3
http://www.paho.org/journal/index.php?option=com_content&view=article&id=132&Itemid=228&lang=en

Trends in mortality from respiratory diseases among the elderly and the influenza vaccine intervention, 1980–2009
[Tendencias de la mortalidad por enfermedades respiratorias en ancianos e influencia de la vacuna antigripal, 1980–2009]
Priscila Maria Stolses Bergamo Francisco, Maria Rita Donalisio, and Leticia Marín-León