TY  - JOUR 
T1  - Risk factors for poor immune response to influenza vaccination in elderly people
JO  - Brazilian Journal of Infectious Diseases
A1  - Bellei, N.C.J.
A1  - Carraro, E.
A1  - Castelo, A.
A1  - Granato, C.F.H.
SN  - 1413-8670
UL  - 10.1590/S1413-86702006000400011
VL  - 10 
Y1  - 2006
PB  - Brasil 
ER  -