@misc{indiciaea21a8b182c3b,
  title = {Extracting a statistical data matrix from electronic patient records.},
  author = {W Gall and H Heinzl and P Sachs},
  year = {2001},
  doi = {10.1016/s0169-2607(00)00130-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/11551390/},
  note = {Source identifier: 11551390}
}