@misc{indiciae49be3d871e94,
  title = {The cardiotape machine.},
  author = {I M Graham and F Gallagher and N Hickey and R Mulcahy},
  year = {1975},
  doi = {10.1016/s0140-6736(75)93007-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/48060/},
  note = {Source identifier: 48060}
}