@misc{indiciae15dc06779b50,
  title = {Doppler color flow mapping.},
  author = {D F Switzer and N C Nanda},
  doi = {10.1016/0301-5629(85)90151-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4049566/},
  note = {Source identifier: 4049566}
}