@misc{indiciaeb6e9bdec0a7d,
  title = {Ultrasonic colour flow imaging.},
  author = {P N Wells},
  year = {1994},
  doi = {10.1088/0031-9155/39/12/001},
  url = {https://pubmed.ncbi.nlm.nih.gov/15551544/},
  note = {Source identifier: 15551544}
}