TY  - BOOK
AU  - Friis,Robert H.
AU  - Sellers,Thomas A.
TI  - Epidemiology for public health practice
SN  - 0763731706
AV  - RA651 .F686 2004
U1  - 614.4 
PY  - 2004///
CY  - Sudbury, Mass.
PB  - Jones and Bartlett
KW  - Epidemiology
KW  - Public health personnel
N1  - Includes index
ER  -