TY  - BOOK
AU  - Martin, S. Wayne
AU  - Meek, Alan H.
AU  - Willeberg, Preben
TI  - Veterinary epidemiology: Principles and methods
SN  - 0813818567
U1  - RL 
PY  - 1987///
CY  - Ames
PB  - Iowa state university
N1  - Includes index
ER  -