@misc{indiciae2a417eb5c0a2,
  title = {[Prenatal screening for Down's syndrome].},
  author = {Q Qin and M Christiansen and B Norgaard-Pedersen},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9639772/},
  note = {Source identifier: 9639772}
}