1.- Thomas Yoshikawa.
Infectious Disease in the Aging.
The Lancet Infectious Diseases . Volume 11, Issue 4, April 2011, page 271.
2.- Gaëtan Gavazzi, Francois Herrmann, Karl - Heinz Krause.
Aging and Infectious Diseases in the Developing World.
Clinical Infectious Diseases, Volume 39, Issue 1, 1 July 2004, pages 83 - 91.
Thank you.
Diana from Perú.