@misc{indiciaec0b75211b241,
  title = {Continuous Doppler echocardiography.},
  author = {P A Chandraratna and W S Aronow and M S Aronow and C Wilson and B Silveira},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7201370/},
  note = {Source identifier: 7201370}
}