@misc{indiciaeb1be6ed67dee,
  title = {Screening for Down's syndrome.},
  author = {D Donnai and T Andrews},
  year = {1988},
  doi = {10.1136/bmj.297.6653.876},
  url = {https://pubmed.ncbi.nlm.nih.gov/2972331/},
  note = {Source identifier: 2972331}
}