TY  - GEN
ED  - World Health Organization. Department of Vaccines and Biologicals.
TI  - Core information for the development of immunization policy : 2002 update
SN  - WHO/V&B/02.28
PY  - 2002///
CY  - Geneva : 
PB  - World Health Organization
KW  - World Health Organization
KW  - Immunization programs
KW  - Vaccines
KW  - Communicable diseases
KW  - Epidemiology
KW  - Program development
KW  - Resource guides
ER  -