@misc{indiciae2bcf6895bd0d,
  title = {[Operation documentation. A program for the detection and statistical documentary evaluation of surgery reports].},
  author = {G Helbing and W Gaus and D Gienger and T Bleicher},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2707095/},
  note = {Source identifier: 2707095}
}