TY  - JOUR
A1  - Robins, J.M.
T1  - Data, design, and background knowledge in etiologic inference
Y1  - 2001
DO  - 10.1097/00001648-200105000-00011
JF  - Epidemiology
VL  - 11
IS  - 3
SP  - 313
EP  - -320

ER  -