@misc{indiciae632fe9830051,
  title = {Prenatal screening for Down's syndrome.},
  author = {R Harris and T Andrews},
  year = {1988},
  doi = {10.1136/adc.63.7\_spec\_no.705},
  url = {https://pubmed.ncbi.nlm.nih.gov/2970827/},
  note = {Source identifier: 2970827}
}