@misc{indiciae3c7da9d8c8f4,
  title = {Biochemical screening for Down's syndrome.},
  author = {S Holding},
  year = {1991},
  doi = {10.1136/bmj.302.6787.1275-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1710521/},
  note = {Source identifier: 1710521}
}