@misc{indiciaecfb80f3406d7,
  title = {Real-time analysis of Doppler waveforms.},
  author = {D C Barber and U Rao and S B Sherriff and D Gardener},
  year = {1987},
  doi = {10.1016/0041-624x(87)90065-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/3547982/},
  note = {Source identifier: 3547982}
}