@misc{indiciaebc15c4230969,
  title = {Concepts of interaction.},
  author = {K J Rothman and S Greenland and A M Walker},
  year = {1980},
  doi = {10.1093/oxfordjournals.aje.a113015},
  url = {https://pubmed.ncbi.nlm.nih.gov/7424895/},
  note = {Source identifier: 7424895}
}