@misc{indiciae9b6e4a0eb3f7,
  title = {Generalisation and extrapolation.},
  author = {D G Altman and J M Bland},
  year = {1998},
  doi = {10.1136/bmj.317.7155.409},
  url = {https://pubmed.ncbi.nlm.nih.gov/9694763/},
  note = {Source identifier: 9694763}
}