@misc{indiciaec3cbcfffe1d2,
  title = {Understanding medical systems.},
  author = {J C Peirce},
  year = {1998},
  doi = {10.7326/0003-4819-129-9-199811010-00034},
  url = {https://pubmed.ncbi.nlm.nih.gov/9841623/},
  note = {Source identifier: 9841623}
}