TY  - BOOK
AU  - Rothman, Kenneth J , Greenland, Sander & Lash, Timothy L.
TI  - Modern Epidemiology (3rd Ed)
U1  - 614.4 ROT 
PY  - 2008///
CY  - new delhi
PB  - wolter k
KW  - community medicine
KW  - departmental books
ER  -