@misc{indiciae649ca11193a9,
  title = {Asking the age question in elderly populations: a reverse record check study.},
  author = {J H Smit and D J Deeg and B A Schmand},
  year = {1997},
  doi = {10.1093/geronb/52b.4.p175},
  url = {https://pubmed.ncbi.nlm.nih.gov/9224441/},
  note = {Source identifier: 9224441}
}