@misc{indiciaec165203bcfad,
  title = {Comparing proportion exposed in case-control studies using several control groups.},
  author = {W R Fairweather},
  year = {1987},
  doi = {10.1093/aje/126.2.170},
  url = {https://pubmed.ncbi.nlm.nih.gov/3605045/},
  note = {Source identifier: 3605045}
}