TY  - RPRT
TI  - Simpson's paradox in meta-analysis.
AU  - J A Hanley
AU  - G Thériault
PY  - 2000
DO  - 10.1097/00001648-200009000-00022
UR  - https://pubmed.ncbi.nlm.nih.gov/10955419/
ID  - 10955419
ER  -