TY  - BOOK
ED  - World Health Organization.
TI  - The global eradication of smallpox: final report of the Global Commission for the Certification of Smallpox Eradication, Geneva, December 1979 
SN  - 9241560657
PY  - 1980///
CY  - Geneva
PB  - World Health Organization
KW  - Smallpox vaccine
KW  - Smallpox
KW  - Prevention and control
ER  -