TY  - BOOK
AU  - Ballard, Carol Dr.
TI  - From cowpox to antibiotics : discovering vaccines and medicines 
SN  - 978 0 431 18605 4
U1  - J615 109 BAL 
PY  - 2007///
CY  - Oxford
PB  -  Heinemann
KW  - ANTIBIOTICS HISTORY
ER  -