@misc{indiciae696b9225c89a,
  title = {Twin study using mortality data: a new sampling method.},
  author = {A J Graham and C H Hawkes},
  year = {1995},
  doi = {10.1093/ije/24.4.758},
  url = {https://pubmed.ncbi.nlm.nih.gov/8550273/},
  note = {Source identifier: 8550273}
}