European Immunization Week 2008--time for reflection.
Kreidl
Peter
P
Vaccine Preventable Disease Programme Team, European Centre for Disease Prevention and Control (ECDC), Stockholm.
Gomes
H
H
Lopalco
P L
PL
Hagmaier
K
K
Pastore Celentano
L
L
Vasconcelos
P
P
Yilmaz
C
C