@misc{indiciaefee747038a01,
  title = {Screening for Down's syndrome.},
  author = {T M Marteau and J Kidd and R Cook and M Johnston and S Michie and R W Shaw and J Slack},
  year = {1988},
  doi = {10.1136/bmj.297.6661.1469-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/2975959/},
  note = {Source identifier: 2975959}
}