TY  - BOOK
AU  - Friis,Robert H
TI  - Epidemiology for public health practice
SN  - 9781450000000
U1  - 614.4 F92E 
PY  - 2011///
CY  - London
PB  - Jones and bartlet publishers
KW  - Epidemiology
KW  - Public health
ER  -