@misc{indiciaecd1ff0fc9a50,
  title = {Doppler-pulsatility index.},
  author = {D G Batton and J Hellmann and M J Maisels},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6823442/},
  note = {Source identifier: 6823442}
}