@misc{indiciae199e68dcc765,
  title = {An international field.},
  author = {R M Forrester},
  year = {1973},
  doi = {10.1016/s0140-6736(73)93153-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4124438/},
  note = {Source identifier: 4124438}
}