@misc{indiciae945be093d556,
  title = {Pulsatility index: an opinion.},
  author = {L Bunegin},
  year = {1991},
  doi = {10.1097/00008506-199103000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/15815384/},
  note = {Source identifier: 15815384}
}