@misc{indiciaeeaa3de169f52,
  title = {Maternal age in trisomy.},
  author = {N E Morton and P A Jacobs and T Hassold and D Wu},
  year = {1988},
  doi = {10.1111/j.1469-1809.1988.tb01100.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2977936/},
  note = {Source identifier: 2977936}
}