@misc{indiciaeaee76e1aa4eb,
  title = {Some pitfalls in electrocardiography.},
  author = {D LITTMANN and E F BLAND},
  year = {1953},
  doi = {10.1016/s0025-7125(16)34953-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13086023/},
  note = {Source identifier: 13086023}
}