@misc{indiciaec004808be748,
  title = {Improved safety by computerized video-angiocardiography.},
  author = {P H Heintzen and R Brennecke and J H Bürsch},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/386898/},
  note = {Source identifier: 386898}
}