Efficacy of 23-valent pneumococcal vaccine in preventing pneumonia and improving survival in nursing home residents: double blind, randomised and placebo controlled trial

por Maruyama, Takaya, Taguchi, Osamu, Niederman, Michael S, Morser, John, Kobayashi, Hiroyasu, Kobayashi, Tetsu, D’Alessandro-Gabazza, Corina, Nakayama, Sei, Nishikubo, Kimiaki, Noguchi, Takashi, Takei, Yoshiyuki, Gabazza, Esteban C
Publicado 2010