@misc{indiciae62494fba9be9,
  title = {Ejection time by ear densitogram and its derivative - Clinical and physiologic applications.},
  author = {Quarry-Pigott, V. and Chirife, R. and Spodick, D. H.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730054064},
  note = {Source identifier: 19730054064}
}