@misc{indiciae0524673b694a,
  title = {The vectorcardiogram in atrial septal defect.},
  author = {N A HAMER},
  year = {1958},
  doi = {10.1136/hrt.20.2.215},
  url = {https://pubmed.ncbi.nlm.nih.gov/13523015/},
  note = {Source identifier: 13523015}
}