Effectiveness of a mass hepatitis A vaccination program in preadolescents. [electronic resource]
- Vaccine Jan 2003
- 698-701 p. digital
Publication Type: Journal Article
0264-410X
10.1016/s0264-410x(02)00583-2 doi
Adolescent Adult Aged Child Child, Preschool Cohort Studies Hepatitis A--epidemiology Hepatitis A Vaccines Hepatitis B Vaccines Humans Mass Vaccination Middle Aged National Health Programs Population Surveillance Program Evaluation Spain