TY  - BOOK
AU  - Jekel,James F.
TI  - Epidemiology biostatistics and preventive medicine
SN  - 0721652581
PY  - 1996///
CY  - Philadelphia
PB  - W. B. Saunders
KW  - Epidemiologic Methods
KW  - Biometry
KW  - Preventive medicine
ER  -