TY  - BOOK
ED  - World Health Organisation (WHO)
TI  - Smallpox eradication: report of a WHO scientific group
T2  - World Health Organisation Technical Report Series; No.393
U1  - 601.621 
PY  - 1968///
CY  - Geneva
PB  - WHO
KW  - Smallpox--Prevention
KW  - WHO
ER  -