TY  - BOOK
AU  - Friis Robert H, Sellers Thomas A
TI  - Epidemiology for public health practice
SN  - 9781449665494
PY  - 2014///
CY  - Burlington
PB  - Jones & Bartlett Learning
KW  - Epidemiologic Methods
KW  - Epidemiology
KW  - Public Health
ER  -