@misc{indiciaea6cc89df3b3e,
  title = {Reported participation in case-control studies: changes over time.},
  author = {S H Olson},
  year = {2001},
  doi = {10.1093/aje/154.6.574},
  url = {https://pubmed.ncbi.nlm.nih.gov/11549563/},
  note = {Source identifier: 11549563}
}