@misc{indiciae4851620095c2,
  title = {Comparison of information sources for case-referent data.},
  author = {B Persson and M Karlsson and O Axelson},
  year = {1994},
  doi = {10.5271/sjweh.1384},
  url = {https://pubmed.ncbi.nlm.nih.gov/7863301/},
  note = {Source identifier: 7863301}
}