@misc{indiciae7577454a4d1e,
  title = {Electrocardiographic analysis of normal and abnormal pacemaker function.},
  author = {S S Barold and M D Falkoff and L S Ong and R A Heinle},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6357451/},
  note = {Source identifier: 6357451}
}