@misc{indiciae74c729268969,
  title = {Estimation of vaccine effectiveness using the screening method.},
  author = {C P Farrington},
  year = {1993},
  doi = {10.1093/ije/22.4.742},
  url = {https://pubmed.ncbi.nlm.nih.gov/8225751/},
  note = {Source identifier: 8225751}
}