@misc{indiciae2a06af1ee59f,
  title = {Mathematical function for maternal age in Down's syndrome.},
  author = {J S Tay and W C Yip},
  year = {1984},
  doi = {10.1203/00006450-198404000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/6232495/},
  note = {Source identifier: 6232495}
}