TY  - BOOK
AU  - Friis,Robert H.
AU  - Sellers,Thomas A  .
TI  - Epidemiology for public health practice / 
SN  - 9780763751616
U1  - 614.4 
PY  - 2008///
CY  - London : 
PB  - Jones & Bartlett , 
KW  - EPIDEMIOLOGY
N1  - Includes index
ER  -