@misc{indiciae0efdff927cbd,
  title = {Esophageal electrocardiography using a balloon-tip electrode.},
  author = {C J Hardebeck and C W Abbottsmith},
  year = {1985},
  doi = {10.1016/0002-8703(85)90097-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4036798/},
  note = {Source identifier: 4036798}
}