TY  - BOOK
AU  - Das Gupta,J.
TI  - Hand book on smallpox vaccination principle and practice
U1  - 614.521 
PY  - 0000///[19-?]
CY  - Calcutta
PB  - Supdt. Vaccine Institute Calcutta corporation
KW  - Smallpox
KW  - Poxvirus diseases
KW  - Vaccination
N1  - Bibliography: p. 50
ER  -