@misc{indiciaef67f79925175,
  title = {Observation and experiment.},
  author = {A B HILL},
  year = {1953},
  doi = {10.1056/nejm195306112482401},
  url = {https://pubmed.ncbi.nlm.nih.gov/13046664/},
  note = {Source identifier: 13046664}
}