TY  - BOOK
AU  - Jekel, J F and others,
TI  - Epidomology, Biostatistics and Preventive Medicine
SN  - 9780721690797
U1  - 614 
PY  - 2001///
CY  - Philadelphia
PB  - Saunders
KW  - Biostatistics
KW  - Epidemiology
KW  - Incidence & prevention of disease
ER  -