TY  - BOOK
AU  - Blakeslee,Alton L.
TI  - Polio and the Salk vaccine: what you should know about it 
U1  - 616.835 
PY  - 1956///
CY  - New York
PB  - Grosset & Dunlap
KW  - Poliomyelitis
KW  - Poliomyelitis vaccine
ER  -