@misc{indiciae106235202933,
  title = {Language of certainty.},
  author = {M L Daves},
  year = {1986},
  doi = {10.2214/ajr.147.1.209},
  url = {https://pubmed.ncbi.nlm.nih.gov/3487220/},
  note = {Source identifier: 3487220}
}