@misc{indiciae4c8dae0e68dd,
  title = {A spatial magnitude electrocardiograph.},
  author = {B M SAYERS},
  year = {1955},
  doi = {10.1016/0002-8703(55)90028-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/14349849/},
  note = {Source identifier: 14349849}
}