TY  - BOOK
AU  - Rothman, Kenneth J
TI  - Epidemiology : an introduction
SN  - 9780195135541
SN  - 200103673
U1  - 614.4 ROT 
PY  - 2002///
CY  - Oxford
PB  - Oxford University Press
KW  - Epidemiologic Methods
KW  - Epidemiology
N1  - Includes bibliographical references and index
ER  -