TY  - BOOK
AU  - Fenner, Frank,
CN  - RA644
CN  - RA644.S6
CY  - Geneva :
DA  - c1988.
ID  - 126954
KW  - Smallpox
KW  - Smallpox
KW  - Smallpox
N1  - Includes indexes.
PB  - World Health Organization,
PP  - Geneva :
PY  - c1988.
SN  - 9241561106
T1  - Smallpox and its eradication /
TI  - Smallpox and its eradication /
ER  -