@misc{indiciae452fc12b5d30,
  title = {The unknown and the unknowable--managing sustained uncertainty.},
  author = {M H Cohen},
  year = {1993},
  doi = {10.1177/019394599301500106},
  url = {https://pubmed.ncbi.nlm.nih.gov/8421921/},
  note = {Source identifier: 8421921}
}