@misc{indiciae08386b3a8c6a,
  title = {Repeat maternal serum testing in multiple marker Down's syndrome screening programmes.},
  author = {H Cuckle and J Densem and N Wald},
  year = {1994},
  doi = {10.1002/pd.1970140716},
  url = {https://pubmed.ncbi.nlm.nih.gov/7526366/},
  note = {Source identifier: 7526366}
}