TY  - BOOK
AU  - JEKEL J.F & KATZ D
TI  - EPIDEMIOLOGY BIOSTATISTICS AND PREVENTIVE MEDICINE 
SN  - 978-1-4160-3496-4
U1  - 614.4 
PY  - 2007///
CY  - 
PB  - ELSEVIER
KW  - MEDICINE
ER  -