@misc{indiciaec41ca839fbea,
  title = {Foetal blood flow detector.},
  author = {F D Fielder and P Pocock},
  year = {1968},
  doi = {10.1016/0041-624x(68)90134-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5717478/},
  note = {Source identifier: 5717478}
}