@misc{indiciaedfbc0edd8b31,
  title = {Recurrence risks for Down syndrome.},
  author = {T J Lister and O Frota-Pessoa},
  year = {1980},
  doi = {10.1007/bf00291768},
  url = {https://pubmed.ncbi.nlm.nih.gov/6450157/},
  note = {Source identifier: 6450157}
}