@misc{indiciae9fc18762fa56,
  title = {Screening policy for Down syndrome.},
  author = {D A Ruta and J G Leece},
  year = {1988},
  doi = {10.1016/s0140-6736(88)90230-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2458517/},
  note = {Source identifier: 2458517}
}