TY  - BOOK
ED  - International Conference on Live Poliovirus Caccine 
TI  - Papers presented and discussions held
PY  - 1960///
CY  - Wishinfton, D.C. : 
PB  - Pan American Sanitary Bureau , 
KW  - Poliovirus Vaccine
KW  - prevention
KW  - Poliomyelitis
ER  -