TY  - BOOK
ED  - World Health Organization
TI  - WHO Expert Committee on Small Pox Eradication: Second Report 
T2  - Technical Report Series 493
U1  - 614.912 
PY  - 1972///
CY  - Geneva
PB  - World Health Organization
KW  - Smallpox
KW  - Control of diseases
ER  -