@misc{indiciae9c1a6afed27d,
  title = {Screening for Down's syndrome. Serum screening programmes are effective and safe.},
  author = {N J Wald and A K Hackshaw and W Huttly},
  year = {2000},
  url = {https://pubmed.ncbi.nlm.nih.gov/10999927/},
  note = {Source identifier: 10999927}
}