TY  - BOOK
ED  - World Health Organization.
TI  - Vaccines and biologicals: WHO vaccine-preventable diseases : monitoring system : 2002 global summary
PY  - 2002///
CY  - Geneva, Switzerland
PB  - World Health Organization
KW  - Vaccination
KW  - Statistics
KW  - Communicable diseases
N1  - Includes bibliographical references
UR  - https://immunizationdata.who.int/global?topic=&location=
ER  -