TY  - RPRT
TI  - Causal conclusions are most sensitive to unobserved binary covariates.
AU  - Liansheng Wang
AU  - Abba M Krieger
PY  - 2006
DO  - 10.1002/sim.2344
UR  - https://pubmed.ncbi.nlm.nih.gov/16220480/
ID  - 16220480
ER  -