TY  - BOOK
AU  - Schwabe, Calvin W.
TI  - Epidemiology in veterinary practice
U1  - 636.089 S24 
PY  - 1977///
CY  - Philadelphia
PB  - Lea and Febiger
KW  - Salud pública
KW  - Sanidad animal
KW  - Veterinaria
ER  -