@misc{indiciae14c2a9a08288,
  title = {Early chapters in the stethoscope's evolution.},
  author = {M Salinsky},
  year = {1990},
  doi = {10.1001/jama.264.21.2817},
  url = {https://pubmed.ncbi.nlm.nih.gov/2232070/},
  note = {Source identifier: 2232070}
}