TY  - BOOK
AU  - beaglehole,R
AU  - Bonita,R
TI  - Basic epidemiology / 
SN  - 8174733310
U1  - 614.4/bea 
PY  - 2006///
CY  - delhi
PB  - world health organization
KW  - EPIDEMIOLOGY
KW  - EPIDEMIOLOGYC METHODS
ER  -