@misc{indiciae10da24db30a8,
  title = {Pulse-transit sonomicrometry.},
  author = {H M Spotnitz},
  year = {1983},
  doi = {10.1016/s0003-4975(10)60497-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6625744/},
  note = {Source identifier: 6625744}
}