@misc{indiciae01b8d75fbcb1,
  title = {Chromosome abnormalities and maternal age.},
  author = {P E Polani and E Alberman and A C Berry and S Blunt and J D Singer},
  year = {1976},
  doi = {10.1016/s0140-6736(76)90806-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/74476/},
  note = {Source identifier: 74476}
}