TY  - BOOK
AU  - FRIEDMAN, G  .
TI  - PRIMER OF EPIDEMIOLOGY / 
SN  - 0071402586
U1  - 614.4 
PY  - 2005///
CY  - NULL : 
PB  - MCGRAW HILL , 
KW  - PREVENTIVE SOCIAL MEDICINE(EPIDEMIOLOGY)
N1  - PSM
ER  -