@misc{indiciae14ed30949e3f,
  title = {Screening for Down's syndrome using alpha fetoprotein.},
  author = {P R Wyatt},
  year = {1985},
  doi = {10.1136/bmj.291.6497.740},
  url = {https://pubmed.ncbi.nlm.nih.gov/2412631/},
  note = {Source identifier: 2412631}
}