@misc{indiciaefe45698b5ceb,
  title = {A universal vector cardiograph.},
  author = {A G T BECKING and H C BURGER and J B VAN MILAAN},
  year = {1950},
  doi = {10.1136/hrt.12.4.339},
  url = {https://pubmed.ncbi.nlm.nih.gov/14777838/},
  note = {Source identifier: 14777838}
}