TY  - JOUR 
T1  - Hospital morbidity among elderly patients, before and after influenza vaccination in the state of Paraná
JO  - Revista Latino-Americana de Enfermagem
A1  - Ferrer, Ana Lúcia Mendes
A1  - Marcon, Sonia Silva
A1  - Santana, Rosangela Getirana
SN  - 0104-1169
UL  - 10.1590/S0104-11692008000500006
VL  - 16 
Y1  - 2008
PB  - Brasil 
ER  -