@misc{indiciaef86c28cd9b10,
  title = {F vector loop in atrial flutter.},
  author = {T Sano and T Hiroki and H Hazama and T Hentona},
  year = {1968},
  url = {https://pubmed.ncbi.nlm.nih.gov/5244545/},
  note = {Source identifier: 5244545}
}