@misc{indiciae250f4918d5ba,
  title = {Apex cardiography.},
  author = {E Grey Dimond},
  year = {1973},
  doi = {10.1159/000393286},
  url = {https://pubmed.ncbi.nlm.nih.gov/4629859/},
  note = {Source identifier: 4629859}
}