@misc{indiciaee92bde9587c4,
  title = {Confounding: essence and detection.},
  author = {O S Miettinen and E F Cook},
  year = {1981},
  doi = {10.1093/oxfordjournals.aje.a113225},
  url = {https://pubmed.ncbi.nlm.nih.gov/7304589/},
  note = {Source identifier: 7304589}
}