@misc{indiciae6613ee9ea6f9,
  title = {[Frank's normal orthogonal electrocardiogram].},
  author = {I Giegler and M Rübesamen},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5442791/},
  note = {Source identifier: 5442791}
}