TY  - JOUR
A1  - Greenland, S.
A1  - Brumback, B.
T1  - An overview of relations among causal modelling methods
Y1  - 2002
DO  - 10.1093/ije/31.5.1030
JF  - International Journal of Epidemiology
VL  - 31
IS  - 5
SP  - 1030
EP  - -1037

ER  -