@misc{indiciae18f6f0930de2,
  title = {Epidemiology 101: III. A 19th century example.},
  author = {D E Lilienfeld},
  year = {1981},
  doi = {10.1093/ije/10.1.69},
  url = {https://pubmed.ncbi.nlm.nih.gov/7016777/},
  note = {Source identifier: 7016777}
}