TY  - SER
ED  -  Programa Ampliado de Inmunizacion.
TI  -  EPI newsletter / 
SN  -  0251-471
CY  -  Washington, DC : 
PB  -  Expanded Program on Immunization in the Americas
KW  -  Communicable Disease Control
KW  -  Periodical
KW  -  Communicable Diseases
KW  -  epidemiology
KW  -  Immunization
KW  -  Americas
KW  -  Epidemiology
N1  -  Published also in Spanish
ER  -