@misc{indiciae78be8b8a97b5,
  title = {Invited commentary: ecologic studies--biases, misconceptions, and counterexamples.},
  author = {S Greenland and J Robins},
  year = {1994},
  doi = {10.1093/oxfordjournals.aje.a117069},
  url = {https://pubmed.ncbi.nlm.nih.gov/8178788/},
  note = {Source identifier: 8178788}
}