@misc{indiciae6d85a16eee31,
  title = {Certainty factor theory and its implementation in a medical expert system shell.},
  author = {Q Dan and J Dudeck},
  doi = {10.3109/14639239209085013},
  url = {https://pubmed.ncbi.nlm.nih.gov/1405835/},
  note = {Source identifier: 1405835}
}