TY  - BOOK
ED  - India
TI  - Annual Report
U1  - 628 
PY  - 1974///
CY  - Nagpur
PB  - National Environmental Engineering Institute
KW  - Smallpox
KW  - Vaccination
KW  - Public health
KW  - Nagpur (India)
KW  - Sanitary Board
ER  -