TY  - BOOK
AU  - Aschengrau,  Ann.
AU  -  Ann Aschengrau
TI  - Essential of epidemiology in public health
SN  - 139786763740252
U1  - 612 ASC-E BOT. 23264 
CY  - london
PB  - Jones and bartlett
KW  - epidemiology, public health
ER  -