@misc{indiciae04abbadef39a,
  title = {Oesophageal stethoscope.},
  author = {J O'Dea and I Hall},
  year = {1987},
  doi = {10.1111/j.1365-2044.1987.tb05304.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3434772/},
  note = {Source identifier: 3434772}
}