@misc{indiciae4abdb5366dcc,
  title = {Comparative electrocardiography.},
  author = {C R Smith and R L Hamlin and H D Crocker},
  year = {1965},
  doi = {10.1111/j.1749-6632.1965.tb49400.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5217257/},
  note = {Source identifier: 5217257}
}