@misc{indiciaeafb3f6ad6b2d,
  title = {[Documentation system for cardiology].},
  author = {H Mannebach and P Doenecke and W Hoffmann and H Schieffer},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4590978/},
  note = {Source identifier: 4590978}
}