TY  - BOOK
AU  - Oleckno A. William
TI  - Epidemology: Concepts and Methods 
SN  - 9781577665229
AV  - RA781 .O44 2008 
PY  - 2008///
CY  - Illinois
PB  - Waveland Press
KW  - Epidemology
N1  - Includes index
ER  -