TY  - BOOK
AU  - Gordis,Leon
AU  - Libouer,Charlotte H.
TI  - Epidemiology and health risk assessment
SN  - 0195042859
PY  - 1988///
CY  - New York
PB  - Oxford University Press
KW  - Epidemiologic methods
KW  - Congresses
KW  - Health Serveys
ER  -