@misc{indiciae84976c9e83e8,
  title = {Electrocardiographic changes during operations for pulmonary stenosis.},
  author = {M CAMPBELL and G REYNOLDS},
  year = {1954},
  doi = {10.1136/hrt.16.1.57},
  url = {https://pubmed.ncbi.nlm.nih.gov/13126359/},
  note = {Source identifier: 13126359}
}