@misc{indiciaebead5b7eda78,
  title = {The case-control study: valid selection of subjects.},
  author = {A R Feinstein},
  year = {1985},
  doi = {10.1016/0021-9681(85)90041-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4008597/},
  note = {Source identifier: 4008597}
}