@misc{indiciaed1b75f15ea53,
  title = {[Prenatal diagnosis. Preliminary experiences].},
  author = {A J Therkelsen and O R Steenstrup and U Friedrich and T Tobiassen and H Sogaard},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4844773/},
  note = {Source identifier: 4844773}
}