TY  - JOUR

T1  - Confounding and Simpson's paradox

JO  - BMJ

PY  - 1995/01/01

AU  - Charig CR

ED  - 

DO  - DOI: 10.1136/bmj.310.6975.329b

VL  - 310

IS  - 6975

SP  - 329

Y2  - 2024/10/19

ER  -