TY  - RPRT
TI  - Statistics notes. Interaction 1: Heterogeneity of effects.
AU  - D G Altman
AU  - J N Matthews
PY  - 1996
DO  - 10.1136/bmj.313.7055.486
UR  - https://pubmed.ncbi.nlm.nih.gov/8776324/
ID  - 8776324
ER  -