@misc{indiciae93a6bd33d8aa,
  title = {Screening for Down's syndrome.},
  author = {I R McFadyen},
  year = {1988},
  doi = {10.1136/bmj.297.6659.1335-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/2974310/},
  note = {Source identifier: 2974310}
}