@misc{indiciae701d95034389,
  title = {Decision rules in electrocardiography and vectorcardiography.},
  author = {J von der Groeben},
  year = {1967},
  doi = {10.1161/01.cir.36.1.136},
  url = {https://pubmed.ncbi.nlm.nih.gov/6027209/},
  note = {Source identifier: 6027209}
}