TY  - BOOK
AU  - Dargatz, David A
TI  - The veterinary clinics of North America food animal practice : biosecurity of cattle operations
SN  - 9781416022367
U1  - 636.089 DAR 
PY  - 2002///
CY  - Philadelphia, PA
PB  - Saunders an imprint of Elsevier
ER  -