@misc{indiciae519b00d214ac,
  title = {A twin oscilloscopic vectorcardiograph.},
  author = {A J CAMERON and T D LAWRIE and J H WRIGHT},
  year = {1959},
  doi = {10.1136/hrt.21.4.505},
  url = {https://pubmed.ncbi.nlm.nih.gov/13807136/},
  note = {Source identifier: 13807136}
}