TY  - GEN
AU  - Jekel, James L.
AU  - Jekel, James F.
TI  - Epidemiology, biostatistics and preventive medicine
SN  - 0721652581
U1  - 614.44  
PY  - 1996///
CY  - Philadelphia : 
PB  - W B Saunders Company
KW  - Epidemiology
KW  - Medical statistics
KW  - Medicine, preventive
N1  - Includes bibliographical references
ER  -