@misc{indiciae6ebf2201db8f,
  title = {Computer processing of ultrasonic data from the cardiovascular system.},
  author = {M Hirsch and W J Sanders and R L Popp and D C Harrison},
  year = {1973},
  doi = {10.1016/0010-4809(73)90069-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4582625/},
  note = {Source identifier: 4582625}
}