@misc{indiciae43a6164580e5,
  title = {Concern about "lookback" exercise for hepatitis C.},
  author = {P Hewitt},
  year = {1995},
  doi = {10.1136/bmj.311.7013.1169b},
  url = {https://pubmed.ncbi.nlm.nih.gov/7580742/},
  note = {Source identifier: 7580742}
}