@misc{indiciae0d31131321fc,
  title = {Graphical knowledge acquisition for medical diagnostic expert systems.},
  author = {U Gappa and F Puppe and S Schewe},
  year = {1993},
  doi = {10.1016/0933-3657(93)90024-w},
  url = {https://pubmed.ncbi.nlm.nih.gov/8358495/},
  note = {Source identifier: 8358495}
}