@misc{indiciaef23e0636a7d4,
  title = {What the changes mean.},
  author = {T Groves},
  year = {1992},
  doi = {10.1136/bmj.305.6867.1489},
  url = {https://pubmed.ncbi.nlm.nih.gov/1493400/},
  note = {Source identifier: 1493400}
}