@misc{indiciae818575961025,
  title = {Stereostethoscope.},
  author = {B Halle},
  year = {1970},
  doi = {10.1016/s0140-6736(70)92571-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4193600/},
  note = {Source identifier: 4193600}
}