TY  - BOOK
AU  - Gerstman,B.Burt
TI  - Epidemiology kept simple: an introduction to classic and modern epidemiology 
SN  - 0471400289 (pbk.)
PY  - 2003///
CY  - Hoboken, N.J.
PB  - Wiley-Liss
KW  - Epidemiology
KW  - Epidemiologic Methods
KW  - Research design
KW  - Statistics
KW  - methods
ER  -