@misc{indiciaefc74f4f35461,
  title = {Prenatal diagnosis: practice, pitfalls, and progress.},
  author = {M L Pernoll and G H Prescott and F Hecht and C L Olson},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4607620/},
  note = {Source identifier: 4607620}
}