@misc{indiciae8d526a880980,
  title = {Doppler echocardiography.},
  author = {A S Pearlman},
  year = {1983},
  doi = {10.1016/0167-5273(83)90066-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6852995/},
  note = {Source identifier: 6852995}
}