@misc{indiciae237ff4ab284b,
  title = {[Evaluation of left ventricular function by external methods. Comparative study of systolic intervals and apexcardiography].},
  author = {C M Brandt and M Rauscher and P Arnold and J L Fincker},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/137698/},
  note = {Source identifier: 137698}
}