TY  - BOOK
AU  - Rothman, Kenneth J
TI  - Epildemiology: an introduction. (2nd ed.)
SN  - 9780199754557
AV  - RA 651 Rot 
PY  - 2012///
CY  - New York
PB  - Oxford University Press
KW  - EPIDEMIOLOGY
KW  - EPIDEMIOLOGIC METHODS
ER  -