@misc{indiciaeb5db224e4930,
  title = {[Placenta localization using the ultrasonic Doppler effect].},
  author = {B Resch and J Herczeg},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4672099/},
  note = {Source identifier: 4672099}
}