@misc{indiciaefff7bf6c183e,
  title = {Re: "Confounding Confounding".},
  author = {S Greenland and H Morgenstern and C Poole and J M Robins},
  year = {1989},
  doi = {10.1093/oxfordjournals.aje.a115216},
  url = {https://pubmed.ncbi.nlm.nih.gov/2705430/},
  note = {Source identifier: 2705430}
}