@misc{indiciae7efca8e1e9ec,
  title = {How much safer than safe?},
  author = {R E Ellis},
  year = {1973},
  doi = {10.1259/0007-1285-46-550-776},
  url = {https://pubmed.ncbi.nlm.nih.gov/4753727/},
  note = {Source identifier: 4753727}
}