TY  - BOOK
AU  -  Friis Robert H., Sellers Thomas A.
TI  - Epidemiology for public health practice
SN  - 0763731706
U1  - WA105 
PY  - 2004///
CY  - Boston
PB  - Jones and Bartlett Publishers
KW  - Epidemiology
KW  - Public Health
N2  -  Epidemiology, Public Health
ER  -