@misc{indiciae1629aa4ae3b8,
  title = {Personal view.},
  author = {J M Smith and J E Utting},
  year = {1976},
  doi = {10.1136/bmj.2.6040.875},
  url = {https://pubmed.ncbi.nlm.nih.gov/990728/},
  note = {Source identifier: 990728}
}