TY  - GEN
AU  - Gordis, Leon.
TI  - Epidemiology
SN  - 9781416040026
U1  - 614.4 
PY  - 2009///
CY  - London
PB  - Elsevier
KW  - PUBLIC PREVENTIVE-DISEASES
KW  - DISEASES
KW  - EPIDEMIOLOGY
ER  -