@misc{indiciae47cc124b9eb0,
  title = {Cardiac output determinations with ear piece densitometry.},
  author = {G Hedenstierna and B Schildt},
  year = {1975},
  doi = {10.3109/03009737509178982},
  url = {https://pubmed.ncbi.nlm.nih.gov/1096397/},
  note = {Source identifier: 1096397}
}