TY  - BOOK
AU  - Jekel,James F.
AU  - Jekel,James F.
TI  - Epidemiology, biostatistics, and preventive medicine 
SN  - 9781416034964
AV  - RA652 J45 
PY  - 2007///
CY  - Philadelphia 
PB  - Saunders/Elsevier
KW  - Epidemiology
KW  - Medical statistics
KW  - Medicine, Preventive
KW  - Biometry
KW  - Epidemiologic Methods
KW  - Preventive Medicine
ER  -