@misc{indiciaea2bab9e6d3cb,
  title = {[The relationship between left ventricular ejection fraction measured by first transit time-activity and functional classification of the cardiac patients (author's transl)].},
  author = {K Machida and J Nishikawa and Y Itai},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/748649/},
  note = {Source identifier: 748649}
}