@misc{indiciaebed6c07e84e0,
  title = {Letter: Pulse paradoxes.},
  author = {G C Cayler},
  year = {1974},
  doi = {10.1001/jama.229.10.1284b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4408279/},
  note = {Source identifier: 4408279}
}