@misc{indiciaeb9adb8a215a8,
  title = {Identifying confounding by indication through blinded prospective review.},
  author = {S C Johnston},
  year = {2001},
  doi = {10.1093/aje/154.3.276},
  url = {https://pubmed.ncbi.nlm.nih.gov/11479193/},
  note = {Source identifier: 11479193}
}