TY  - BOOK
AU  - Bhopal,Raj S.
TI  - Concepts of epidemiology : integrating the ideas, theories, principles and methos of epidemiology
SN  - 9780199543144 
AV  - RA650 B48 
PY  - 2008///
CY  - Oxford , New York 
PB  - Oxford University Press
KW  - Epidemiology
ER  -