TY  - RPRT
TI  - A SAS program calculating three measures of interaction with confidence intervals.
AU  - M Lundberg
AU  - P Fredlund
AU  - J Hallqvist
AU  - F Diderichsen
PY  - 1996
UR  - https://pubmed.ncbi.nlm.nih.gov/8899400/
ID  - 8899400
ER  -